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ARC and bridged cast

... I agree that the description is confusing. Since I just grasped them, I'll try to summarize: (__bridge_transfer <NSType>) op or alternatively CFBridgingRelease(op) is used to consume a retain-count of a CFTypeRef while transferring it...
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Are single quotes allowed in HTML?

I am a big time user of using double quotes in PHP so that I can interpolate variables rather than concatenating strings. As a result, when I am generating HTML I often use single quotes for setting tag fields. For example: ...
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Which is preferred: Nullable.HasValue or Nullable != null?

...als(obj) method, and compiler optimization and monkey business. Here is a description of some code I ran, and what output it produced in labels: int? val = null; lbl_Val.Text = val.ToString(); //Produced an empty string. lbl_ValVal.Text = val.Value.ToString(); //Produced a runtime error. ("Nullabl...
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Why does Eclipse Java Package Explorer show question mark on some classes?

...ipse; is that correct? If so, there's a great list of decorators and their descriptions at this answer by Tim Stone. Here's the relevant snippet for your case: - A file not under version control. These are typically new files that you have not committed to the repository yet. - A file wit...
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Matplotlib discrete colorbar

...dColormap([col_dict[x] for x in col_dict.keys()]) # Let's also define the description of each category : 1 (blue) is Sea; 2 (red) is burnt, etc... Order should be respected here ! Or using another dict maybe could help. labels = np.array(["Sea","City","Sand","Forest"]) len_lab = len(labels) # prep...
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setImmediate vs. nextTick

... Pretty clear description. I think this answer needs more upvotes. – Actung Oct 30 '18 at 13:06 ...
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How to test if a string is JSON or not?

... a JSON string with useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message. ...
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How to print register values in GDB?

...uck with control registers so far: OSDev 2012 http://f.osdev.org/viewtopic.php?f=1&t=25968 || 2005 feature request https://www.sourceware.org/ml/gdb/2005-03/msg00158.html || alt.lang.asm 2013 https://groups.google.com/forum/#!topic/alt.lang.asm/JC7YS3Wu31I ARM floating point registers See: htt...
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How do I create a self-signed certificate for code signing on Windows?

...rv:driver /os:XP_X86,Vista_X64,Vista_X86,7_X64,7_X86 /v signtool sign /d "description" /du "www.yoyodyne.com" ^ /f Demo_SPC.pfx ^ /p x ^ /v driver\demoprinter.cat certutil -addstore Root Demo_CA.cer rem Needs administrator. If this command works, the driver is properly signed. devcon ins...
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Differences between cookies and sessions?

... this topic, https://web.stanford.edu/~ouster/cgi-bin/cs142-fall10/lecture.php?topic=cookie share | improve this answer | follow | ...