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multiprocessing.Pool: When to use apply, apply_async or map?
...with_callback()
may yield a result such as
[1, 0, 4, 9, 25, 16, 49, 36, 81, 64]
Notice, unlike pool.map, the order of the results may not correspond to the order in which the pool.apply_async calls were made.
So, if you need to run a function in a separate process, but want the current proce...
How to tell if JRE or JDK is installed
I have one computer that I intentionally installed JDK on. I have another computer with JRE, for, among other things, testing. However, when I got a java application working on this computer, and then tried it on another, it complained that JDK was required. How can I check if JDK was somehow instal...
MySQL: #126 - Incorrect key file for table
I got the following error from a MySQL query.
17 Answers
17
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How to execute a bash command stored as a string with quotes and asterisk [duplicate]
I try to execute the following command :
5 Answers
5
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How to create a .gitignore file
... Very helpful. Also, this method works similarly with renaming folders/directories too (not just files). For instance Z:\pristine-vagrant>ren "New folder" .ssh
– Daniel Dropik
Feb 19 '14 at 4:41
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How to execute a Python script from the Django shell?
I need to execute a Python script from the Django shell. I tried:
21 Answers
21
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Android Studio - How to increase Allocated Heap Size
...utes by creating your own .properties or .vmoptions files in the following directories. (This has been possible on some platforms before, but it required you to copy and change the entire contents of the files. With the latest changes these properties are now additive instead such that you can set j...
How many random elements before MD5 produces collisions?
...y server plus a timestamp to get a unique filename. Since S3 can't have subdirectories, I need to store all of these images in a single flat folder.
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What is “android:allowBackup”?
Since the new ADT preview version (version 21) , they have a new lint warning that tells me the next thing on the manifest file (in the application tag):
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What's a quick way to test to see a file exists?
I want to quickly check to see if a file exists in my iPhone app's Documents directory (or any path for that matter). I can enumerate through the directory's files, or I can try to open a specific file. What's the fastest way? I just need to know if the file is there or if it does not exist.
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