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Fastest way to get the first object from a queryset in django?
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Use the convenience methods .first() and .last():
MyModel.objects.filter(blah=blah).first()
They both swallow the resulting exception and return None if the queryset returns no objects.
These were added in Django 1.6, which was released in Nov 2013.
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Convert PEM to PPK file format
...EM files to PPK files? (you may guess that Amazon EC2 gives me a PEM file, and I need to use the PPK format for SSH connectivity).
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How to draw a custom UIView that is just a circle - iPhone app
...ally just a ball (a 2D circle)? Would I just override the drawRect method? And can someone show me the code for drawing a blue circle?
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How to erase the file contents of text file in Python?
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#include<fstream> and then std::ofstream("file.txt"); about as short as in Python. :)
– wilhelmtell
May 4 '10 at 21:44
8
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In Java, is there a way to write a string literal without having to escape quotes?
... of quotation marks inside it. You could escape them all, but it's a pain, and difficult to read.
8 Answers
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Removing transforms in SVG files
I have been struggling with this for a while, and can't seem to find an answer (that works) anywhere. I have an SVG file which looks like this:
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Using IntelliJ to amend git commit message
...e amend a git commit message using IntelliJ , or should one resort to command line?
9 Answers
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iPhone : How to detect the end of slider drag?
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Yes, best answer is this.
– sabiland
Jan 17 '16 at 12:36
3
Great Answer. Here...
Running Selenium WebDriver python bindings in chrome
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You need to make sure the standalone ChromeDriver binary (which is different than the Chrome browser binary) is either in your path or available in the webdriver.chrome.driver environment variable.
see http://code.google.com/p/selenium/wiki/ChromeDrive...
Find and Replace text in the entire table using a MySQL query
...abase using phpmyadmin. I'm tired of it now, how can I run a query to find and replace a text with new text in the entire table in phpmyadmin?
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