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Toggle Checkboxes on/off

... You can write: $(document).ready(function() { $("#select-all-teammembers").click(function() { var checkBoxes = $("input[name=recipients\\[\\]]"); checkBoxes.prop("checked", !checkBoxes.prop("checked")); }); }); Before jQuery 1.6, when we only ...
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Why doesn't String switch statement support a null case?

...st by Christian Hujer has some insightful speculation about why null isn't allowed in switches (although it centers on the enum switch rather than the String switch): Under the hood, the switch statement will typically compile to a tablesswitch byte code. And the "physical" argument to switch as we...
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Create timestamp variable in bash script

...cial documentation here: https://www.gnu.org/software/coreutils/manual/html_node/Time-conversion-specifiers.html#Time-conversion-specifiers share | improve this answer | foll...
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Python super() raises TypeError

...You have to design any methods that need to multiply-inherit (most notably __init__) to pass through arguments in a clean and sensible way, otherwise you'll get TypeErrors or worse debugging problems when someone tries to multiply-inherit using your class. Unless you've really designed to support MI...
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PHP + curl, HTTP POST sample code?

...y simple PHP example that sends a HTTP POST to a remote site // $ch = curl_init(); curl_setopt($ch, CURLOPT_URL,"http://www.example.com/tester.phtml"); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, "postvar1=value1&postvar2=value2&postvar3=value3"); /...
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How to get String Array from arrays.xml file

...c class Episode7 extends ListActivity { String[] mTestArray; /** Called when the activity is first created. */ @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Create an ArrayAdapter that will contain all list ite...
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Escape string for use in Javascript regex [duplicate]

...mp;'); // $& means the whole matched string } Example escapeRegExp("All of these should be escaped: \ ^ $ * + ? . ( ) | { } [ ]"); >>> "All of these should be escaped: \\ \^ \$ \* \+ \? \. \( \) \| \{ \} \[ \] " (NOTE: the above is not the original answer; it was edited to show th...
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What are my environment variables? [closed]

... I am not sure if thats what you want, but try printenv This will show you all your environment variables. About where they are stored Linux: where are environment variables stored? How to set Shell Environment Variables http://www.codecoffee.com/tipsforlinux/articles/030.html Happy reading :-)...
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Obscure a UITextField password

... Is there a way that I can even hide the character to be displayed at all? I don't want the character to be seen at all. – Maninder Singh Aug 1 '19 at 3:51 ...
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Python initializing a list of lists [duplicate]

... The problem is that they're all the same exact list in memory. When you use the [x]*n syntax, what you get is a list of n many x objects, but they're all references to the same object. They're not distinct instances, rather, just n references to the sam...