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Read first N lines of a file in python
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Thanks, that is very helpful indeed. What is the difference between the two? (in terms of performance, required libraries, compatibility etc)?
– Russell
Nov 20 '09 at 0:34
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What's the use of ob_start() in php?
...s you typically pair it with: ob_get_contents(), which basically gives you whatever has been "saved" to the buffer since it was turned on with ob_start(), and then ob_end_clean() or ob_flush(), which either stops saving things and discards whatever was saved, or stops saving and outputs it all at on...
How to Parse Command Line Arguments in C++? [duplicate]
What is the best way of parsing command-line arguments in C++ if the program is specified
to be run like this:
10 Answers
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The application may be doing too much work on its main thread
...es! The application may be
doing too much work on its main thread.” So what does it actually
means, why should you be concerned and how to solve it.
What this means is that your code is taking long to process and frames
are being skipped because of it, It maybe because of some heavy
processi...
How to avoid null checking in Java?
...ng assertions in this case is OK because the code will just fail, which is what will happen if you use assertions. The only difference is that with assertions it might happen sooner, in a more-meaningful way and possibly with extra information, which may help you to figure out why it happened if yo...
Commenting code in Notepad++
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@machineaddict, What's the opposite of that?
– Pacerier
Jun 30 '15 at 3:11
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Windows batch script launch program and exit console
... window of the cmd who launched notepad.exe remains in the background. What do I have to do in order to launch notepad.exe and make the cmd window disappear?
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Entity framework self referencing loop detected [duplicate]
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This is the correct answer. You need to tell the EF what you need.
– Cas Bloem
Dec 3 '14 at 12:32
1
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upstream sent too big header while reading response header from upstream
...sponse header from upstream is nginx's generic way of saying "I don't like what I'm seeing"
Your upstream server thread crashed
The upstream server sent an invalid header back
The Notice/Warnings sent back from STDERR overflowed their buffer and both it and STDOUT were closed
3: Look at the erro...
Why does .NET foreach loop throw NullRefException when collection is null?
... Holy necro... Sometimes you have to look at the IL to see what the compiler is doing to figure out if there are any efficiency hits. User919426 had asked whether it did the check for each iteration. Though the answer might be obvious to some people, it is not obvious to everyone, ...