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How to save traceback / sys.exc_info() values in a variable?
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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.
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How do I change read/write mode for a file using Emacs?
If a file is set to read only mode, how do I change it to write mode and vice versa from within Emacs?
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Python CSV error: line contains NULL byte
I'm working with some CSV files, with the following code:
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How do I execute a string containing Python code in Python?
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@ShreevatsaR don't you mean setattr(x, s, 42)? I tried getattr(x, 2) = 42 and it failed with can't assign to function call: <string>, line 1
– Tanner Semerad
Oct 11 '13 at 17:44
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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?
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Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
...2, when using byte strings (type str), encoded to UTF-8, make sure to also set the encoding keyword:
>>> d={ 1: "ברי צקלה", 2: u"ברי צקלה" }
>>> d
{1: '\xd7\x91\xd7\xa8\xd7\x99 \xd7\xa6\xd7\xa7\xd7\x9c\xd7\x94', 2: u'\u05d1\u05e8\u05d9 \u05e6\u05e7\u05dc\u05d4'}
>...
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....
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 "...
Why can't I forward-declare a class in a namespace using double colons?
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