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Fast check for NaN in NumPy
... to get slower as NaNs get closer to the start of the array. On the other hand, sum's throughput seems constant regardless of whether there are NaNs and where they're located:
In [40]: x = np.random.rand(100000)
In [41]: %timeit np.isnan(np.min(x))
10000 loops, best of 3: 153 us per loop
In [42]:...
Is there a list of Pytz Timezones?
...util.tz provides similar functionalities but uses the OS timezone database and has no such problems.
– Yongwei Wu
Feb 1 '18 at 15:17
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How to “hibernate” a process in Linux by storing its memory to disk and restoring it later?
... would to write all the memory used by a process to disk, free up the RAM. And then later on, I can 'resume the process', i.e, reading all the data from memory and put it back to RAM and I can continue with my process?
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Android: How to turn screen on and off programmatically?
... the traditional sense. It makes the screen as dim as possible. In the standard platform there is a limit to how dim it can be; if your device is actually allowing the screen to turn completely off, then it is some peculiarity of the implementation of that device and not a behavior you can count o...
Why is ArrayDeque better than LinkedList
I am trying to to understand why Java's ArrayDeque is better than Java's LinkedList as they both implement Deque interface.
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How to compare type of an object in Python?
...ty of details of why checking the type of an object is usually a bad idea, and what you probably should be doing instead.
– Jeff Shannon
Apr 2 '09 at 9:28
2
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How to do multiple line editing?
...key combination for multi-line edits in Eclipse (or STS) is option/alt+command+A
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Git keeps prompting me for a password
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I think you may have the wrong Git repository URL.
Open .git/config and find the [remote "origin"] section. Make sure you're using the SSH one:
ssh://git@github.com/username/repo.git
You can see the SSH URL in the main page of your repository if you click Clone or download and choose ssh.
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Disabling Chrome cache for website development
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The Chrome DevTools can disable the cache.
Right-click and choose Inspect Element to open the DevTools. Or use one of the following keyboard shortcuts:
F12
Command+Option+i on Mac
Control+Shift+i on Windows or Linux
Click Network in the toolbar to open the network pane.
Check ...
Howto: Clean a mysql InnoDB storage engine?
...eople create multiple ibdata files hoping for better disk-space management and performance, however that belief is mistaken.
Can I run OPTIMIZE TABLE ?
Unfortunately, running OPTIMIZE TABLE against an InnoDB table stored in the shared table-space file ibdata1 does two things:
Makes the table’s...