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Get the first element of an array
...$array));
In O(1):
array_pop(array_reverse($array));
Other use cases, etc...
If modifying (in the sense of resetting array pointers) of $array is not a problem, you might use:
reset($array);
This should be theoretically more efficient, if a array "copy" is needed:
array_shift(array_slice($...
Is there a shortcut to make a block comment in Xcode?
...id I do wrong? I just get \\\ Description and not a doc block with @params etc
– Jonnny
Oct 12 '16 at 20:27
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AngularJS: Is there any way to determine which fields are making a form invalid?
...t may violate (invalid email format, out of range / max / min definition, etc.). This is the easiest way.
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Why aren't my breakpoints working?
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When I restarted Xcode, all of my windows had reset to default positions, etc, but breakpoints worked!
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Change a Rails application to production
...-6
Make absolute certain that after Passenger is set up you've edited the /etc/httpd/conf/httpd.conf file to reflect your directory structure. You want to point DocumentRoot to your Rails project /public folder Anywhere in the httpd.conf file that has this sort of dir: /var/www/html/your_application...
Save image from URL by paperclip
... is potentially insecure because a user could call user.picture_from_url('/etc/password'). It's probably fine in most situations though.
– David Tuite
Oct 11 '13 at 9:16
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How to create border in UIButton?
... above allows you to set other properties like corner radius, maskToBounds etc...
Also, a good article on button fun:
https://web.archive.org/web/20161221132308/http://www.apptite.be/tutorial_custom_uibuttons.php
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Getting rid of \n when using .readlines() [duplicate]
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Trailing whitespace (space, tab, CR, LF, etc.) is never desirable, in my experience. There is no data or computer language I have dealt with in over twenty years that wanted trailing whitespace. So, yes, it strips more than \n. Chances are, you won't miss it.
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Parse v. TryParse
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Passing null to basic types (int, double, DateTime, etc.) will NOT throw an exception
– Dr Yunke
Apr 11 '18 at 16:53
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svn cleanup: sqlite: database disk image is malformed
...m -> Share project
select your repositorie: mine SVN ( other case: git, etc)
select your repositorie folder
Note:
On my case, I did a backup of my files. ( safe ur back :P )
Edit:
I am talking about SVN plugin on Eclipse :)
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