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Catching error codes in a shell pipe
...n something like:
0 1 0
and something like this run after the command:
test ${PIPESTATUS[0]} -eq 0 -a ${PIPESTATUS[1]} -eq 0 -a ${PIPESTATUS[2]} -eq 0
will allow you to check that all commands in the pipe succeeded.
sh...
What is the difference between Ruby 1.8 and Ruby 1.9
...: utf-8
Real Threading
Race Conditions
Implicit Ordering Assumptions
Test Code
What's New?
Alternate Syntax for Symbol as Hash Keys
Ruby 1.9
{a: b}
redirect_to action: show
Ruby 1.8.6
{:a => b}
redirect_to :action => show
Block Local Variables
Ruby 1.9
[1,2].each {|valu...
Insert code into the page context using a content script
... Do you have a reference for your updated method (e.g. a bug report or a test case?) The CustomEvent constructor supersedes the deprecated document.createEvent API.
– Rob W
Nov 6 '13 at 16:23
...
Reading output of a command into an array in Bash
...mmand) )
is broken when there are spaces:
$ # I'm using this command to test:
$ echo "one two"; echo "three four"
one two
three four
$ # Now I'm going to use the broken method:
$ my_array=( $( echo "one two"; echo "three four" ) )
$ declare -p my_array
declare -a my_array='([0]="one" [1]="two" [2...
How to apply multiple styles in WPF
...ultiple ways, but the easiest is to do the following:
<TextBlock Text="Test"
local:CompoundStyle.StyleKeys="headerStyle,textForMessageStyle,centeredStyle"/>
Hope that helps.
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imp...
What is the proper way to re-attach detached objects in Hibernate?
...ntations of the same entity",
e
);
}
Now, when executing the test case above, Hibernate is going to throw a NonUniqueObjectException because the second EntityManager already contains a Bookentity with the same identifier as the one we pass to update, and the Persistence Context cannot ...
How can I extract embedded fonts from a PDF as valid font files?
...tractFonts.ps \
-c "(/path/to/your/PDFFile.pdf) extractFonts quit"
I've tested the Ghostscript method a few years ago. At the time it did extract *.ttf (TrueType) just fine. I don't know if other font types will also be extracted at all, and if so, in a re-usable way. I don't know if the utility ...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... //启动深度测试
GL.glEnable(GL.GL_DEPTH_TEST);
//选择深度测试类型
GL.glDepthFunc(GL.GL_LESS);
//启用阴影平滑
GL.glShadeModel(GL.GL_SMOOTH);
//精细修正透视图
...
Git vs Team Foundation Server [closed]
...ance, if I'm working on a big feature, it might take me a week to code and test it completely. I don't want to check-in unstable code mid-week and break the build, but what happens if I'm nearing the end of the week and I accidentally bork my entire working copy? If I haven't been committing all a...
what exactly is device pixel ratio?
...
sadly, you have to google it or test on a real device :(
– netalex
Feb 19 '16 at 9:53
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