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django: BooleanField, how to set the default value to true?
I am using BooleanField in django. By default the checkbox generated by it is unchecked state, I want the state to be checked by default, how to do it?
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Populating a ListView using an ArrayList?
... @ Amokrane Chentir: I think that the "setContentView" method must be called before "findViewById" or else no ListView will be found.
– Petru
Jun 26 '12 at 20:36
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The order of elements in Dictionary
My question is about enumerating Dictionary elements
6 Answers
6
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Can you run GUI applications in a Docker container?
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You can simply install a vncserver along with Firefox :)
I pushed an image, vnc/firefox, here: docker pull creack/firefox-vnc
The image has been made with this Dockerfile:
# Firefox over VNC
#
# VERSION 0.1
# DOCKER-VERSION ...
Linux how to copy but not overwrite? [closed]
... to prevent existing files from being overwritten.
– All Workers Are Essential
Aug 16 '14 at 18:22
7
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How to get the first column of a pandas DataFrame as a Series?
...c wasn't there yet back then. In 2016, the correct answer is Jeff's (after all he's pandas God, mind you ;-)). I'm not sure what's SO's policy regarding update of answers due to API change; I'm honestly surprised by the number of votes for this answer, didn't think it was that useful to people...
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Avoid trailing zeroes in printf()
...ing your number is in the variable num, the following function will remove all but the first N decimals, then strip off the trailing zeros (and decimal point if they were all zeros).
char str[50];
sprintf (str,"%.20g",num); // Make the number.
morphNumericString (str, 3);
: :
void morphNumericS...
php 遍历目录批量转换文件编码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...编码遍历当前目录及子目录。把所有的文件编码转换为UTF-8，代码如下：< ?php php iconv.php exec it on root dir$path = dirname(__F...遍历当前目录及子目录。把所有的文件编码转换为UTF-8，代码如下：
< ?php
//php iconv.php
//exec it on root dir
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how to specify local modules as npm package dependencies
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npm install now supports this
npm install --save ../path/to/mymodule
For this to work mymodule must be configured as a module with its own package.json. See Creating NodeJS modules.
As of npm 2.0, local dependencies are supported...
fastest MD5 Implementation in JavaScript
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I've heard Joseph's Myers implementation is quite fast. Additionally, he has a lengthy article on Javascript optimization describing what he learned while writing his implementation. It's a good read for anyone interested in performant javascript.
http://www.webreference.com/programming/...