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MySQL - why not index every field?
Recently I've learned the wonder of indexes, and performance has improved dramatically. However, with all I've learned, I can't seem to find the answer to this question.
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Split string based on regex
...most regular expression operations are available as module-level functions and RegexObject methods. The functions are shortcuts that don’t require you to compile a regex object first, but miss some fine-tuning parameters." You can use re.split(re.split(pattern, string, maxsplit=0, flags=0)) as me...
Resize a large bitmap file to scaled output file on Android
...ap (say 3888x2592) in a file. Now, I want to resize that bitmap to 800x533 and save it to another file.
I normally would scale the bitmap by calling Bitmap.createBitmap method but it needs a source bitmap as the first argument, which I can't provide because loading the original image into a Bitmap...
how to unit test file upload in django
...ase. To POST a file, you need only
provide the file field name as a key, and a file handle to the file
you wish to upload as a value. For example:
c = Client()
with open('wishlist.doc') as fp:
c.post('/customers/wishes/', {'name': 'fred', 'attachment': fp})
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Rsync copy directory contents but not directory itself
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Seems weird and inconsistent to make the trailing slash relevant for just this particular command. Wonder why it hasn't been changed.
– Luke Davis
Jan 12 '17 at 22:29
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What is the purpose of @SmallTest, @MediumTest, and @LargeTest annotations in Android?
I'm new to Android and I've seen example code using these annotations. For example:
3 Answers
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Packing NuGet projects compiled in release mode?
...modified in the project file directly (no VS GUI option). To avoid the command-line property tweak for all future nuget pack calls, edit the project file XML in your favorite text editor.
– patridge
Jun 30 '11 at 22:07
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Vim Regex Capture Groups [bau -> byau : ceu -> cyeu]
...ed by escaped parentheses:
:%s/\(\w\)\(\w\w\)/\1y\2/g
Slightly shorter (and more magic-al) is to use \v, meaning that in the pattern after it all ASCII characters except '0'-'9', 'a'-'z', 'A'-'Z' and '_' have a special meaning:
:%s/\v(\w)(\w\w)/\1y\2/g
See:
:help \(
:help \v
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How can I change the text inside my with jQuery?
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$("#abc").html('<span class = "xyz"> SAMPLE TEXT</span>');
Handle all the css relevant to that span within xyz
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What is default session timeout in ASP.NET?
...bute.
Specifies the number of minutes a session can be idle before it is abandoned. The timeout attribute cannot be set to a value that is greater than 525,601 minutes (1 year) for the in-process and state-server modes.
The session timeout configuration setting applies only to ASP.NET pages. Changin...