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How to define hash tables in Bash?
...)
Then use them just like normal arrays. Use
animals['key']='value' to set value
"${animals[@]}" to expand the values
"${!animals[@]}" (notice the !) to expand the keys
Don't forget to quote them:
echo "${animals[moo]}"
for sound in "${!animals[@]}"; do echo "$sound - ${animals[$sound]}"; d...
What is a “callable”?
...ursively but don't, for fear of endless
recursion if some joker sets self.__call__ = self */
Py_DECREF(call);
return 1;
}
else {
return x->ob_type->tp_call != NULL;
}
}
It says:
If an object is an instance of some class then it is callable iff...
Remove Item from ArrayList
...items A-H and now I want to delete 1,3,5 position Item stored in int array from the list how can I do this.
10 Answers
...
Executing periodic actions in Python [duplicate]
I am working on Windows. I want to execute a function foo() every 10 seconds.
9 Answers
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App Inventor 2 上传文件到服务器的方案全总结 - App Inventor 2 中文网 - ...
...法，参考代码如下：
php服务端代码参考：<?php
/* FileName: PicXfer.php
* Simple PHP script to save image file.
*/
echo "We're in the XFER Program...";//phpinfo();
$picDir = "./test/";
$fileName = $_REQUEST['pic'];
$startT = microtime(TRUE);
echo "...
Total memory used by Python process?
Is there a way for a Python program to determine how much memory it's currently using? I've seen discussions about memory usage for a single object, but what I need is total memory usage for the process, so that I can determine when it's necessary to start discarding cached data.
...
How do I get the different parts of a Flask request's url?
..._url: http://127.0.0.1:5000/alert/dingding/test
request.url_charset: utf-8
request.url_root: http://127.0.0.1:5000/
str(request.url_rule): /alert/dingding/test
request.host_url: http://127.0.0.1:5000/
request.host: 127.0.0.1:5000
request....
How to get the parents of a merge commit in git?
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Why can't I forward-declare a class in a namespace using double colons?
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recursion versus iteration
Is it correct to say that everywhere recursion is used a for loop could be used? And if recursion is usually slower what is the technical reason for ever using it over for loop iteration?
...