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Using .gitignore to ignore everything but specific directories

...at I have a bunch of WordPress websites in my git repo, of which I want to selectively commit only the content of my themes folders, while ignoring the rest of the redundant files found in WordPress. ...
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Django: Get an object form the DB, or 'None' if nothing matches

... cases where your logic expects there to be only a single object (which is selected by first()), but in reality multiple objects exist. Using get() instead of first() gives you an extra layer of protection, by raising MultipleObjectsReturned(). If the result being returned is not expected to return ...
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How can I time a code segment for testing performance with Pythons timeit?

... Rather than select a clock by hand, use timeit.default_timer; Python has already done the work for you. But really, you should use timeit.timeit(myfast, number=n) instead of re-inventing the repetitive call wheel (and miss the fact that ...
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How can I get the external SD card path for Android 4.0+?

...e directory mnt first and work from there.. You should use some type of selection method to choose which sdcard to use: File storageDir = new File("/mnt/"); if(storageDir.isDirectory()){ String[] dirList = storageDir.list(); //TODO some type of selecton method? } ...
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What are the pros and cons of the SVN plugins for Eclipse, Subclipse and Subversive? [closed]

...merge client available to non-registered users of Subclipse. You get it by selecting the CollabNet Merge Client feature when installing Subclipse from the update site. share | improve this answer ...
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How to install APK from PC?

...ing the new ICS or Jellybean) or go to settings->apps->managment and select unknown sources(for gingerbread) then click on (I think) speed install, or something along those lines. it will be on the top of the page slightly towards the left. drag and drop as many .apks as you want then on you a...
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What does $NON-NLS-1$ mean?

... go to Project > Properties > Java Compiler > Errors/Warnings and select the field Non-externalized strings (missing/unused $NON-NLS$ tag) share | improve this answer | ...
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“Thinking in AngularJS” if I have a jQuery background? [closed]

... Imperative → declarative In jQuery, selectors are used to find DOM elements and then bind/register event handlers to them. When an event triggers, that (imperative) code executes to update/change the DOM. In AngularJS, you want to think about views rather than...
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What are valid values for the id attribute in HTML?

...id certain characters. Periods, colons and '#' have special meaning in CSS selectors, so you will have to escape those characters using a backslash in CSS or a double backslash in a selector string passed to jQuery. Think about how often you will have to escape a character in your stylesheets or cod...
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How to extract the decision rules from scikit-learn decision-tree?

... recursive partitioning. There is nothing preventing a variable from being selected multiple times. – Zelazny7 Mar 1 '17 at 17:25 ...