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Why is “throws Exception” necessary when calling a function?
... cases, our program doesn't need to exit, instead it can take actions like alerting the user, or go into a fallback mechanism(like offline working when network not available), etc.
Unchecked Exceptions: They again can be divided into two: Errors and RuntimeExceptions. One reason for them to be unch...
filename and line number of python script
How can I get the file name and line number in python script.
9 Answers
9
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KnockOutJS - Multiple ViewModels in a single View
... <!-- /ko -->
</ul>
</div>
<script src="js/jquery-1.11.1.js"></script>
<script src="js/knockout-3.0.0.js"></script>
<script src="js/DataFunction.js"></script>
<script src="js/Container1ViewModel.js"><...
How do I find the width & height of a terminal window?
As a simple example, I want to write a CLI script which can print = across the entire width of the terminal window.
9 Ans...
转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
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Q：
[root@mail postfix]# /usr/sbin/postfix start
postfix/postfix-script: warning: not owned by postfix: /var/spool/postfix/hold
postsuper: fatal: scan_dir_push: open directory hold: Permission denied
postfix/postfix-script: fatal: Postfix integrity check failed!
呵呵权限问题...
How to log cron jobs?
...
Description of what means 2>&1: stackoverflow.com/questions/818255/in-the-bash-shell-what-is-21
– Yamaneko
Sep 26 '12 at 14:26
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Extension · App Inventor 2 中文网
... on-screen zoom controls
EnableJS
Returns whether webview supports JavaScript execution
FileAccess
Returns whether webview can access local files
FollowLinks
Sets whether to follow links or not
FontSize
Returns the font size of text
InitialScale
Sets the initial scale for active ...
Can I make git recognize a UTF-16 file as text?
...rs. A way to get that to work is to use --ext-diff and the following shell script:
#!/bin/bash
diff <(iconv -f utf-16 -t utf-8 "$1") <(iconv -f utf-16 -t utf-8 "$2")
Note that converting to UTF-8 might work for merging as well, you just have to make sure it's done in both directions.
As fo...
Vim: Close All Buffers But This One
...
You could use this script from vim.org:
http://www.vim.org/scripts/script.php?script_id=1071
Just put it to your .vim/plugin directory and then use :BufOnly command to close all buffers but the active one. You could also map it elsewhere you ...
How can I write text on a HTML5 canvas element?
...kup:
<canvas id="myCanvas" width="300" height="150"></canvas>
Script (with few different options):
<script>
var canvas = document.getElementById('myCanvas');
var ctx = canvas.getContext('2d');
ctx.font = 'italic 18px Arial';
ctx.textAlign = 'center';
ctx. textB...