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Why aren't my breakpoints working?
...ng on the .xcodeproj bundle and picking "Show Package Contents".
When I restarted Xcode, all of my windows had reset to default positions, etc, but breakpoints worked!
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Python's time.clock() vs. time.time() accuracy?
...() -> floating point number
Return the CPU time or real time since the start of the process or since
the first call to clock(). This has as much precision as the system
records.
time() -> floating point number
Return the current time in seconds since the Epoch.
Fractions of a second may be...
How to get the children of the $(this) selector?
...his).children('img:nth(n)')
// where n is the child place in parent list start from 0 onwards
Your div contain only one img element. So for this below is right
$(this).find("img").attr("alt")
OR
$(this).children("img").attr("alt")
But if your div contain more img element ...
Change a Rails application to production
...s enough.
Reboot the server (or Apache at the very least - service httpd restart )
Enter your Rails project folder /var/www/html/your_application and start the migration with rake db:migrate. Make certain that a database table exists, even if you plan on adding tables later (this is also part of ste...
Save image from URL by paperclip
... super is used to invoke the original method, searching of the method body starts in the super class of the object that was found to contain the original method
– Mini John
Aug 27 '14 at 6:35
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Prevent segue in prepareForSegue method?
... that a user shouldn't press. You can leave the segue wired as stands, but start with the button disabled. Then wire the UITextField's "editingChanged" to an event on the view control ala
- (IBAction)nameChanged:(id)sender {
UITextField *text = (UITextField*)sender;
[nextButton setEnabled:(...
Getting rid of \n when using .readlines() [duplicate]
...ves all other whitespace intact. If you don't care about whitespace at the start and end of your lines, then the big heavy hammer is called .strip().
However, since you are reading from a file and are pulling everything into memory anyway, better to use the str.splitlines() method; this splits one ...
GetManifestResourceStream returns NULL
...this property with all the needed files assembly.GetManifestResourceStream starts returning the correct stream instead of NULL.
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Parse v. TryParse
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Great link. I am surprised that no one hasn't yet started the "which one is best or which coding practice should be applied" discussion.
– Christian Madsen
Feb 14 '10 at 16:06
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How to add elements to an empty array in PHP?
... integer key higher than the highest
//existing integer key in the array, starts at 0.
$cart[] = 13;
$cart[] = 'text';
//Numeric key
$cart[4] = $object;
//Text key (assoc)
$cart['key'] = 'test';
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