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How to define a preprocessor symbol in Xcode

..., and select "Add User-Defined Setting". The new setting name should be GCC_PREPROCESSOR_DEFINITIONS, and you can type your definitions in the right-hand field. Per Steph's comments, the full syntax is: constant_1=VALUE constant_2=VALUE Note that you don't need the '='s if you just want to #defi...
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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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Right way to initialize an OrderedDict using its constructor such that it retains order of initial d

... See __hash__. Specifically about the str type. – metatoaster Aug 25 '14 at 6:43 ...
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How do I get the last inserted ID of a MySQL table in PHP?

...ng PDO, use PDO::lastInsertId. If you're using Mysqli, use mysqli::$insert_id. If you're still using Mysql: Please, don't use mysql_* functions in new code. They are no longer maintained and are officially deprecated. See the red box? Learn about prepared statements instead, and use PDO or MyS...
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Loading cross-domain endpoint with AJAX

... API URL. (Supports https: see github repository) If you want to automatically enable cross-domain requests when needed, use the following snippet: $.ajaxPrefilter( function (options) { if (options.crossDomain && jQuery.support.cors) { var http = (window.location.protocol === 'http:'...
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How to get default gateway in Mac OSX

...sult thus looks like this: 192.168.195.1 In this case, netstat displays all result, grep only selects the line with 'default' in it, and awk further matches the pattern to display the second column in the text. You can similarly use route -n get default command to get the required result. The fu...
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When would I use Task.Yield()?

... a lot but have never been using Task.Yield() and to be honest even with all the explanations I do not understand why I would need this method. ...
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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 ...