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How to calculate the CPU usage of a process by PID in Linux from C?
I want to programmatically [in C] calculate CPU usage % for a given process ID in Linux.
12 Answers
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Check if EditText is empty. [closed]
...users to input. I would like to know if I could have a method for checking all the 5 EditTexts if they are null. Is there any way to do this??
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What's Up with Logging in Java? [closed]
...with whatever logging framework is used in the integrated solution); especially valid if you're an API/Framework/OSS and you rely on other packages that use Commons Logging.
Commons Logging because you don't want to "lock down" to a particular logging framework (so instead you lock down to what Comm...
Quick easy way to migrate SQLite3 to MySQL? [closed]
...y's built a solid library that can convert between the two.
Here a list of ALL the differences in SQL syntax that I know about between the two file formats:
The lines starting with:
BEGIN TRANSACTION
COMMIT
sqlite_sequence
CREATE UNIQUE INDEX
are not used in MySQL
SQLite uses CREATE TABLE/INSERT ...
Should it be “Arrange-Assert-Act-Assert”?
...ertion that precedes Act. This way I know that the passing assertion is really passing as the result of the action.
14 A...
warning about too many open figures
...the other axes untouched.
plt.clf() clears the entire current figure with all its axes, but leaves the window opened, such that it may be reused for other plots.
plt.close() closes a window, which will be the current window, if not specified otherwise. plt.close('all') will close all open figures....
Fundamental difference between Hashing and Encryption algorithms
...tions
They provide a mapping between an arbitrary length input, and a (usually) fixed length (or smaller length) output. It can be anything from a simple crc32, to a full blown cryptographic hash function such as MD5 or SHA1/2/256/512. The point is that there's a one-way mapping going on. It's a...
Is it possible to run one logrotate check manually?
Is it possible to run one iteration of logrotate manually without scheduling it on some interval?
8 Answers
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How to send a PUT/DELETE request in jQuery?
...ch as PUT and DELETE, can also be used here, but they are not supported by all browsers." from: api.jquery.com/jQuery.ajax/#options
– andilabs
Dec 2 '13 at 8:11
23
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.gitignore exclude folder but include specific subfolder
...” every parent directory of anything that you want to “unignore”. Usually you end up writing rules for this situation in pairs: ignore everything in a directory, but not some certain subdirectory.
# you can skip this first one if it is not already excluded by prior patterns
!application/
app...