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How to drop column with constraint?
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239
First you should drop the problematic DEFAULT constraint, after that you can drop the column
a...
How to lock orientation during runtime
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133
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
Called on an activity, wi...
Why does C++ need a separate header file?
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13 Answers
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Why are the Level.FINE logging messages not showing?
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Paolo Fulgoni
3,87122 gold badges3232 silver badges5050 bronze badges
answered Jun 11 '11 at 11:53
Vineet ReynoldsV...
How to deal with “java.lang.OutOfMemoryError: Java heap space” error?
... max of heap to use no matter what platform you are running on. In Windows 32 bit this is around 2GB (not specifically heap but total amount of memory per process). It just happens that Java chooses to make the default smaller (presumably so that the programmer can't create programs that have runawa...
When to use the different log levels
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Hansaka perera
333 bronze badges
answered Jan 8 '10 at 22:26
GrayWizardxGrayWizardx
15.6k22 g...
php execute a background process
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370
Assuming this is running on a Linux machine, I've always handled it like this:
exec(sprintf("...
What's the “average” requests per second for a production web application?
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OpenStreetMap seems to have 10-20 per second
Wikipedia seems to be 30000 to 70000 per second spread over 300 servers (100 to 200 requests per second per machine, most of which is caches)
Geograph is getting 7000 images per week (1 upload per 95 seconds)
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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
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320
TryGetValue will be faster.
ContainsKey uses the same check as TryGetValue, which internally ...
How to send a “multipart/form-data” with requests in python?
...'http://httpbin.org/post', files=files).prepare().body.decode('utf8'))
--bb3f05a247b43eede27a124ef8b968c5
Content-Disposition: form-data; name="foo"; filename="foo"
bar
--bb3f05a247b43eede27a124ef8b968c5--
>>> files = {'foo': (None, 'bar')}
>>> print(requests.Request('POST', 'http...