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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 ...
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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What is the difference between Google App Engine and Google Compute Engine?
...s really well when put under pressure. It's cumbersome because you need to test and ensure compatibility with the locked-down environment and ensure any 3rd party library you use does not use any other 3rd party library you're unaware of which may not work on GAE standard. It takes longer to set it ...