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How can I use a file in a command and redirect output to the same file without truncating it?
Basically I want to take as input text from a file, remove a line from that file, and send the output back to the same file. Something along these lines if that makes it any clearer.
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Can Maven be made less verbose?
Maven spews out far too many lines of output to my taste (I like the Unix way: no news is good news).
8 Answers
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How do you performance test JavaScript code?
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Profilers are definitely a good way to get numbers, but in my experience, perceived performance is all that matters to the user/client. For example, we had a project with an Ext accordion that expanded to show some data and then a few nested ...
@RequestBody and @ResponseBody annotations in Spring
Can someone explain the @RequestBody and @ResponseBody annotations in Spring 3? What are they for? Any examples would be great.
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Moment js date time comparison
I'm using moment.js to format my date time, here I have two date values, and I want to achieve a particular function when one date is greater than the other. I read most of their docs, but didn't find the function to achieve this. I know it will be there.
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In Django, how does one filter a QuerySet with dynamic field lookups?
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Just a quick gotcha heads-up: make sure the strings in the kwargs are of type str not unicode, else filter() will grumble.
– Steve Jalim
Apr 4 '11 at 9:30
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Unable to login to SQL Server + SQL Server Authentication + Error: 18456
I have created login account on my localhost\sql2008 Server (Eg. User123)
6 Answers
6
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Using emit vs calling a signal as if it's a regular function in Qt
...on that emits a signal, you'll see emit is just gone.
The "magic" happens in the generated code for the signal emitting function, which you can look at by inspecting the C++ code generated by moc.
For example a foo signal with no parameters generates this member function:
void W::foo()
{
QMet...
How do I clone a Django model instance object and save it to the database?
In the database, I want to add another object which is a copy of the object above.
13 Answers
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git update-index --assume-unchanged returns “fatal unable to mark file”
I am having the same problem as the OP on this post, but I don't understand the answer marked as correct (I don't see that it explains how to fix the situation)
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