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git: How to ignore all present untracked files?
... don't have a .gitignore file yet your gitignore will ignore itself! This happens because the file .gitignore gets created before the git status --porcelain is executed. So if you don't have a .gitignore file yet I recommend using:
echo "$(git status --porcelain | grep '^??' | cut -c4-)" > .giti...
React JSX: selecting “selected” on selected option
...nu, I need to set the selected attribute on the option that reflects the application state.
11 Answers
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Git keeps prompting me for a password
...This may be because I originally checked out my project using GitHub's Mac application (mac.github.com). Any idea how I can fix it?
– Catherine
Oct 14 '11 at 22:38
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How do you determine the ideal buffer size when using FileInputStream?
...ges with every CPU type).
This leads to the 'real world' answer: If your app is like 99% out there, set the cache size to 8192 and move on (even better, choose encapsulation over performance and use BufferedInputStream to hide the details). If you are in the 1% of apps that are highly dependent o...
Entity Framework: There is already an open DataReader associated with this Command
...ers = turn on MultipleActiveResultSets. Another scenario when this always happens is when you iterate through result of the query (IQueryable) and you will trigger lazy loading for loaded entity inside the iteration.
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PostgreSQL DISTINCT ON with different ORDER BY
...et is unpredictable unless ORDER BY is used to ensure that the desired row appears first. [...] The DISTINCT ON expression(s) must match the leftmost ORDER BY expression(s).
Official documentation
So you'll have to add the address_id to the order by.
Alternatively, if you're looking for the full...
Learning WebGL and three.js [closed]
...cher Dunn and Ian Parberry
Essential Mathematics for Games and Interactive Applications: A Programmer’s Guide by James M. Van Verth and Lars M. Bishop
Mathematics for 3D Game Programming and Computer Graphics by Eric Lengyel
I hope this is helpful to you. Good luck.
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Saving and Reading Bitmaps/Images from Internal memory in Android
...private String saveToInternalStorage(Bitmap bitmapImage){
ContextWrapper cw = new ContextWrapper(getApplicationContext());
// path to /data/data/yourapp/app_data/imageDir
File directory = cw.getDir("imageDir", Context.MODE_PRIVATE);
// Create imageDir
File my...
In Python, what is the difference between “.append()” and “+= []”?
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For your case the only difference is performance: append is twice as fast.
Python 3.0 (r30:67507, Dec 3 2008, 20:14:27) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import timeit
>>> timei...
How to handle Handler messages when activity/fragment is paused
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Although the Android operating system does not appear to have a mechanism that sufficiently addresses your problem I believe this pattern does provide a relatively simple to implement workaround.
The following class is a wrapper around android.os.Handler that buffers up ...