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Do I need to disable NSLog before release Application?

...do this is through 'edit scheme' -> 'run app name' -> under the tab 'info' select using the drop-down box between debug & release. In the release version you won't see any NSLog output in the debug console ! How does this all work? first of all, one must know that a preprocessor is relat...
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Difference between __str__ and __repr__?

... to log: with maybe some project specific wrappers, all you need is a log(INFO, "I am in the weird function and a is", a, "and b is", b, "but I got a null C — using default", default_c) But you have to do the last step — make sure every object you implement has a useful repr, so code like tha...
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Should Gemfile.lock be included in .gitignore?

... you are working on a Rails app, then DO check in your Gemfile.lock. More info here - yehudakatz.com/2010/12/16/… – johnmcaliley Feb 4 '11 at 15:22 ...
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How to delete shared preferences data from App in Android

... delete it. In my own tests by watching the "Data" usage listed in the App Info panel, creating a new SharedPreference file adds 4KB to this value but using editor.clear().commit() does not reduce the number. – Code Commander Nov 21 '12 at 7:08 ...
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nvarchar(max) vs NText

...T and UPDATETEXT. Maybe in 2010 you did though! Interested for any further info. – Simon_Weaver May 22 '18 at 6:49 add a comment  |  ...
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\d is less efficient than [0-9]

... Here is a more complete list of digits that aren't 0-9: fileformat.info/info/unicode/category/Nd/list.htm – Robert McKee May 18 '13 at 7:29 8 ...
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How can I represent an infinite number in Python?

...[1,2,3] and [1,2,3] == [1,2,3], which are, in order, False and True.. More info see: stackoverflow.com/questions/2988017/… – Manoel Vilela Sep 1 '17 at 10:51 ...
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Inserting a tab character into text using C#

... Using Microsoft Winform controls, it is impossible to solve correctly your problem without an little workaround that I will explain below. PROBLEM The problem in using simply "\t" or vbTab is that when more than one TextBox are displayed an...
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Does PNG contain EXIF data like JPG?

... encoders-decoders begin to support it. Original: PNG does not embed EXIF info. It allows, however, to embed metadata "chunks" inside the image. Some of the standardized chunks correspond to a few EXIF attributes (physical dimensions, timestamp). And it's also possible to store arbitrary textual da...
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C++ performance challenge: integer to std::string conversion

... thanks for these infos , please explain about gcc speed ! it is very low :( – Behrouz.M Dec 4 '10 at 6:02 ...