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Get all keys of an NSDictionary as an NSArray
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184
Just use
NSArray*keys=[dict allKeys];
In general, if you wonder if a specific class has a ...
Get value from SimpleXMLElement Object
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12 Answers
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PHP + MySQL transactions examples
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331
The idea I generally use when working with transactions looks like this (semi-pseudo-code):
try ...
jQuery empty() vs remove()
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empty() will empty the selection of its contents, but preserve the selection itself.
remove()...
Drop a temporary table if it exists
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From SQL Server 2016 you can just use
DROP TABLE IF EXISTS ##CLIENTS_KEYWORD
On previous versions you can use
IF OBJECT_ID('tempdb..##CLIENTS_KEYWORD', 'U') IS NOT NULL
/*Then it exists*/
DROP TABLE ##CLIENTS_KEYWORD
CREATE TABLE ##CLIENT...
How can I change a secret Gist to public?
...the gist to public, but I can't find how to set it publi
Since May, 9th 2014, it is possible: "Change the visibility of your Gists"
You can change the visibility of your Gists whenever you want.
When editing a Gist you'll now notice a new option to toggle the visibility between Public and Secret.
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Android draw a Horizontal line between views
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GetManifestResourceStream returns NULL
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How can I assign an ID to a view programmatically?
...Query these child views using placeholder.findViewById(convenientInt);
API 17 introduced View.generateViewId() which allows you to generate a unique ID.
If you choose to keep references to your views around, be sure to instantiate them with getApplicationContext() and be sure to set each referenc...
Why is an int in OCaml only 31 bits?
... and pointers which are actually integers in disguise (those that end with 1). And it still leaves us with all pointers that end in 10 free to do other stuff. Also, most modern operating systems reserve the very low addresses for themselves, which gives us another area to mess around with (pointers ...