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What's the difference between Perl's backticks, system, and exec?

...nc, because it is a function. system executes a command and your Perl script is continued after the command has finished. The return value is the exit status of the command. You can find documentation about it in perlfunc. backticks like system executes a command and your perl script is c...
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How can I ask the Selenium-WebDriver to wait for few seconds in Java?

...Returns 'true' if the value of the 'window.document.readyState' via * JavaScript is 'complete' */ public static final ExpectedCondition<Boolean> EXPECT_DOC_READY_STATE = new ExpectedCondition<Boolean>() { @Override public Boolean apply(WebDriver driver) { String script ...
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Check if event is triggered by a human

... by a user action, and false when the event was created or modified by a script or dispatched via EventTarget.dispatchEvent(). share | improve this answer | follow ...
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How do I load a PHP file into a variable?

...://, as eyze suggested, you will only be able to read the ouput of the PHP script. You can only read the PHP script itself if it is on the same server as your running script. You could then use something like $Vdata = file_get_contents('/path/to/your/file.php"); ...
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How does “cat

I needed to write a script to enter multi-line input to a program ( psql ). 9 Answers ...
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Javascript - How to detect if document has loaded (IE 7/Firefox 3)

... code mentioned by galambalazs. The cross-browser way to do it in pure JavaScript is simply to test document.readyState: if (document.readyState === "complete") { init(); } This is also how jQuery does it. Depending on where the JavaScript is loaded, this can be done inside an interval: var rea...
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How do I catch a PHP fatal (`E_ERROR`) error?

... <table> <thead><th>Item</th><th>Description</th></thead> <tbody> <tr> <th>Error</th> <td><pre>$errstr</pre></td> </tr> ...
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How can I remove the first line of a text file using bash/sed script?

...eed to repeatedly remove the first line from a huge text file using a bash script. 16 Answers ...
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How can I force WebKit to redraw/repaint to propagate style changes?

I have some trivial JavaScript to effect a style change: 27 Answers 27 ...
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How to change collation of database, table, column?

... You can run a php script. <?php $con = mysql_connect('localhost','user','password'); if(!$con) { echo "Cannot connect to the database ";die();} mysql_select_db('dbname...