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How do I make a batch file terminate upon encountering an error?
...is is inside a for it gets a bit tricky. You'll need something more like:
setlocal enabledelayedexpansion
for %%f in (C:\Windows\*) do (
same-executable-over-and-over.exe /with different "parameters"
if !errorlevel! neq 0 exit /b !errorlevel!
)
Edit: You have to check the error after each...
F# development and unit testing?
... think that the safety net of an automated test suite is too valuable an asset to let go, however alluring that interactive console may be, so I plan to continue writing unit tests as I've always done.
One of the main strengths of .NET is the cross-language capabilities. I know I'm going to be writ...
How to create has_and_belongs_to_many associations in Factory girl
...
What worked for me was setting the association when using the factory.
Using your example:
user = Factory(:user)
company = Factory(:company)
company.users << user
company.save!
...
Detect URLs in text with JavaScript
Does anyone have suggestions for detecting URLs in a set of strings?
13 Answers
13
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Detect backspace in empty UITextField
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This may be a long shot but it could work. Try setting the text field's text to a zero width space character \u200B. When backspace is pressed on a text field that appears empty, it will actually delete your space. Then you can just reinsert the space.
May not work if ...
Choosing the default value of an Enum type without having to change values
...ld be, without having the change the values? The numbers required might be set in stone for whatever reason, and it'd be handy to still have control over the default.
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Explain the use of a bit vector for determining if all characters are unique
...s you will have easier to read code, probably something like this:
vector.SetFlag(4, true); // set flag at index 4 as true
for int you will have lower-level bit logic code:
checker |= (1 << 5); // set flag at index 5 to true
Also probably int may be a little bit faster, because operations...
iOS 7 TableView like in Settings App on iPad
I want to have a group UITableView with the style same like the iPad Settings application Detail view for iOS 7 .
15 Ans...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
... that arguments are abbreviated. To control that use the -s parameter that sets the maximum length of strings displayed.
It catches all streams, so you might want to filter that somehow:
strace -ewrite -p $PID 2>&1 | grep "write(1"
shows only descriptor 1 calls. 2>&1 is to redirec...
SQL JOIN vs IN performance?
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