jquery lite alternatyva

http://zeptojs.com/
http://minifiedjs.com/

Analytics detect adblock

https://marthijnhoiting.com/track-the-use-of-adblock-in-google-analytics/#

Analytics fiksavimas ajax veiksmu - mazinimas bounce rate

https://davidwalsh.name/analytics-bounce-rate

FULL ajax page seo

https://developers.google.com/webmasters/ajax-crawling/docs/specification

naudokite www.tavosaitas.lt/#!/paris   url strukturas, o google puslapi matys kaip
www.tavosaitas.lt?_escaped_fragment_=paris

Apache log analyzer

Puiki nemokama programa analizuoti WEB LOG'ams: http://www.apacheviewer.com/

Mysql Backup via CMD / cron

Visu failu backup i viena faila sugzipinta, su datos reiksme
mysqldump -u username -pPASWORDAS --opt --all-databases | gzip >   DailyDB_`date '+%Y-%m-%d_%T'`.sql.gz

Arba skriptas - backupu darymas i atskirus failus pagal duombazes

#!/bin/bash

USER="dfdsf"
PASSWORD="sdfdsf"
OUTPUT="/path/to/dir/"

databases=`mysql -u $USER -p$PASSWORD -e "SHOW DATABASES;" | tr -d "| " | grep -v Database`

for db in $databases; do
    if [[ "$db" != "information_schema" ]] && [[ "$db" != "performance_schema" ]] && [[ "$db" != "mysql" ]] && [[ "$db" != _* ]] ; then
        echo "Dumping database: $db"
        mysqldump -u $USER -p$PASSWORD --databases $db  | gzip > $OUTPUT/$db._`date '+%Y-%m-%d_%T'`.sql.gz
    fi
done

 you save the code in file backup.sh $ chmod +x

PHP text spinner / thesaurus

Thesaurus (anglų k. leksikinis sinonimų žodynas) mysql duombazė: https://code.google.com/p/moby-thesaurus/

Vienas geresnių spinner API http://script4.prothemes.biz/

PDO Database Class

https://github.com/indieteq/PHP-MySQL-PDO-Database-Class/blob/master/README.md
PDO multi prepare (insert multiple rows with single query): https://www.daniweb.com/programming/web-development/code/495371/insert-multiple-records-with-pdo-prepared-statement

https://code.tutsplus.com/tutorials/php-database-access-are-you-doing-it-correctly--net-25338

php date interval

$dates = array_map(function($dt) { return $dt->format('Y-m');}, iterator_to_array(new DatePeriod(new DateTime(date('Y-m-01')), DateInterval::createFromDateString('-1 month'), 12)));

php facebook login

http://metah.ch/blog/2014/05/facebook-sdk-4-0-0-for-php-a-working-sample-to-get-started/

SQL join`inimas po vieną naujausią eulutę

SELECT c.*, p1.*
FROM customer c
JOIN purchase p1 ON (c.id = p1.customer_id)
LEFT OUTER JOIN purchase p2 ON (c.id = p2.customer_id AND 
    (p1.date < p2.date OR p1.date = p2.date AND p1.id < p2.id))
WHERE p2.id IS NULL;

source: http://stackoverflow.com/questions/2111384/sql-join-selecting-the-last-records-in-a-one-to-many-relationship

jQuery perdavima x-auth-token

$.ajax({
   url : myurl,
   headers: {
        'X-Auth-Token' : token
   });

PHP / ajax apsauga, su kintamu raktu ir laiko žyma

$time = time();
$hash = md5($key . $time);
$url =  "http://domain.com/iframe?hash=$hash&time=$time";

On the other side you should first check if the timestamp is in the limits (e.g. not older than five minutes) and than rehash with the key and the submitted timestamp. If you get the same hash the request is valid.

Unikalūs SEO URL / SLUG

tarkime, jūs formuojate straipsnių URL iš straipsnių antraščių. Kyla poreikis išvengti vienodų URL jei bus du tokie pat straipsniai, pvz.: 'test-slug-1', 'test-slug-2' and 'test-slug-3'

Tam pagelbės funkcija

$slug = preg_replace("/-$/","",preg_replace('/[^a-z0-9]+/i', "-", strtolower($title)));

Just hit the database once, grab everything at once, chances are that's the biggest bottleneck.

$query = "SELECT * FROM $table_name WHERE  $field_name  LIKE '".$slug."%'";

Then put your results in an array (let's say $slugs)

//we only bother doing this if there is a conflicting slug already
if(mysqli_num_rows($result) !== 0 && in_array($slug, $slugs)){
    $max = 0;

    //keep incrementing $max until a space is found
    while(in_array( ($slug . '-' . ++$max ), $slugs) );

    //update $slug with the appendage
    $slug .= '-' . $max;
}

We use the in_array() checks as if the slug was my-slug the LIKE would also return rows such as

my-slug-is-awesome
my-slug-is-awesome-1
my-slug-rules

šaltinis: http://stackoverflow.com/questions/15971685/creating-unique-page-title-slugs-php

Mobile app per Web-View

Jei reikia sukurti appsą, nesunkiai galima integruoti į appsą web-appą, veikiantį serveryje, pasinaudojant WEB-VIEW: https://developer.chrome.com/multidevice/webview/gettingstarted ir
http://stackoverflow.com/questions/14670638/webview-load-website-when-online-load-local-file-when-offline

php image classes

https://github.com/claviska/SimpleImage     php 5.3 + GD
http://imagine.readthedocs.org/en/latest/index.html php 5.3 GD/imagick
http://phpthumb.sourceforge.net/ php 4+/5 GD/imagick

imagick pamokos: http://www.phpro.org/tutorials/Imagick.html

PHP URL shortening functions

Integer konvertavimas.

Jigu tinka - ir _ simboliai

function encode($number) {
    return strtr(rtrim(base64_encode(pack('i', $number)), '='), '+/', '-_');
}
function decode($base64) {
    $number = unpack('i', base64_decode(str_pad(strtr($base64, '-_', '+/'), strlen($base64) % 4, '=')));
    return $number[1];
}

jeigu norima tik raidyno ir skaiciu

1. function encode($val, $base=62, $chars='0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ') {
2. // can't handle numbers larger than 2^31-1 = 2147483647
3. $str = '';
4. do {
5. $i = $val % $base;
6. $str = $chars[$i] . $str;
7. $val = ($val - $i) / $base;
8. } while($val > 0);
9. return $str;
10. } 
12. function decode($str, $base=62, $chars='0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ') {
13. $len = strlen($str);
14. $val = 0;
15. $arr = array_flip(str_split($chars));
16. for($i = 0; $i < $len; ++$i) {
17. $val += $arr[$str[$i]] * pow($base, $len-$i-1);
18. }
19. return $val;
20. }

paprastam url konvertavimui

function base64url_encode($data) {
  return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
}

function base64url_decode($data) {
  return base64_decode(str_pad(strtr($data, '-_', '+/'), strlen($data) % 4, '=', STR_PAD_RIGHT));
} 

jQuery pagination plugin

http://esimakin.github.io/twbs-pagination/

ul > li susitraukinejantis medis su jquery

$('ul li').click(function() {
    $(this).parent().find('ul').slideToggle();
});

Word macro - visu paveikslu dydzio nuresetinimas i 100%

word uzseiviname naujausiu formatu kad nebutu vompability mode. Einame i view -> macro  ir sukuriame funkcija

  Sub AllGraphicsTo100()

      Dim ILS As Word.InlineShape
      Dim SHP As Word.shape

      For Each ILS In ActiveDocument.InlineShapes
        If ILS.Type = wdInlineShapePicture Or ILS.Type = wdInlineShapeLinkedPicture Then
            ILS.ScaleHeight = 100
            ILS.ScaleWidth = 100
        End If
      Next ILS

      For Each SHP In ActiveDocument.Shapes
        If SHP.Type = msoPicture Or SHP.Type = msoLinkedPicture Then
            SHP.ScaleHeight 1#, True
            SHP.ScaleWidth 1, True
        End If
      Next SHP

    End Sub

Teksto lygiavimas vertikaliai

This solution will work for a single line and multiple lines of text, but still requires a fixed height container:

<div>
  <span>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</span>
</div>

The CSS just sizes the <div>, then vertically center aligns the <span> by setting the <div>'s line-height equal to its height, and making the <span> an inline-block with vertical-align: middle. Then it sets the line-height back to normal for the <span> so its contents will flow naturally inside the block.

div {
  width: 250px;
  height: 100px;
  line-height: 100px;
  text-align: center;
}

span {
  display: inline-block;
  vertical-align: middle;
  line-height: normal;      
}

memcache

yum install memcached
yum install php-pecl-memcache
apachectl restart 

$mkey = 'song_'.$s['id'];
$memcache = new Memcache; 
$memcache->connect('localhost', 11211);

$rez = $memcache->get($mkey);
if (!$rez) {
$memcache->set($mkey, 'sdsadasd', MEMCACHE_COMPRESSED, 60*60*24);

 }

MYSQL optimizavimas

//query profiling
 $db->query('SET profiling = 1');
 $db->query("SELECT COUNT(id) `0` FROM tbl` WHERE......");
 $timings = $db->getRows('SELECT QUERY_ID, SUM(Duration) `DURATION` FROM information_schema.profiling GROUP BY `QUERY_ID`  ');
var_dump($timings);
               

Aptikimas mobiliųjų įrenginių

http://stackoverflow.com/questions/11381673/detecting-a-mobile-browser

Using Regex (from detectmobilebrowsers.com):

Here's a function that uses an insanely long and comprehensive regex which returns a true or false value depending on whether or not the user is browsing with a mobile.

window.mobilecheck = function() {
  var check = false;
  (function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))check = true})(navigator.userAgent||navigator.vendor||window.opera);
  return check;
}

For those wishing to include tablets in this test (though arguably, you shouldn't), you can use the following function:

window.mobileAndTabletcheck = function() {
  var check = false;
  (function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino|android|ipad|playbook|silk/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))check = true})(navigator.userAgent||navigator.vendor||window.opera);
  return check;
}

---

The Original Answer

You can do this by simply running through a list of devices and checking if the useragent matches anything like so:

function detectmob() { 
 if( navigator.userAgent.match(/Android/i)
 || navigator.userAgent.match(/webOS/i)
 || navigator.userAgent.match(/iPhone/i)
 || navigator.userAgent.match(/iPad/i)
 || navigator.userAgent.match(/iPod/i)
 || navigator.userAgent.match(/BlackBerry/i)
 || navigator.userAgent.match(/Windows Phone/i)
 ){
    return true;
  }
 else {
    return false;
  }
}

However since you believe that this method is unreliable, You could assume that any device that had a resolution of 800x600 or less was a mobile device too, narrowing your target even more (although these days many mobile devices have much greater resolutions than this)

i.e

function detectmob() {
   if(window.innerWidth <= 800 && window.innerHeight <= 600) {
     return true;
   } else {
     return false;
   }
}