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Is gettimeofday() guaranteed to be of microsecond resolution?
...ad Timing for Intel Processors
If you're on Intel hardware, here's how to read the CPU real-time instruction counter. It will tell you the number of CPU cycles executed since the processor was booted. This is probably the finest-grained counter you can get for performance measurement.
Note that ...
How to check if a map contains a key in Go?
...ty in go. Most of the time the amortized complexity is O(1) but it's worth reading the answers on that question.
– 3ocene
Oct 9 '18 at 20:50
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How do you reverse a string in place in C or C++?
...ed XOR-swap for this simple version, too. Fixed for the benefit of future readers of this popular question. XOR-swap is highly not recommended; hard to read and making your code compile less efficiently. You can see on the Godbolt compiler explorer how much more complicated the asm loop body is w...
Why is Everyone Choosing JSON Over XML for jQuery? [closed]
...alization format for your data, JSON is smaller, lighterweight, more human readable, and generally faster than XML.
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How can I access Google Sheet spreadsheets only with Javascript?
I want to access Google Spreadsheets using JavaScript only (no .NET, C#, Java, etc.)
12 Answers
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SqlException from Entity Framework - New transaction is not allowed because there are other threads
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As you've already identified, you cannot save from within a foreach that is still drawing from the database via an active reader.
Calling ToList() or ToArray() is fine for small data sets, but when you have thousands of rows, you will b...
Why do people hate SQL cursors so much? [closed]
...ffecting many rows of a large table which is receiving constant production reads. Running a stored procedure which does these updates one row at a time ends up being faster than set-based operations, because the set-based operation conflicts with the read operation and ends up causing horrific lock...
Styling an input type=“file” button
...styled button and input box on top of the native file input. The article already mentioned by rm at www.quirksmode.org/dom/inputfile.html is the best one I've seen.
UPDATE
Although it's difficult to style an <input> tag directly, this is easily possible with the help of a <label> tag. ...
How do I overload the [] operator in C# [duplicate]
...ue(index);
}
You can also add a set accessor so that the indexer becomes read and write rather than just read-only.
public int this[int index]
{
get => GetValue(index);
set => SetValue(index, value);
}
If you want to index using a different type, you just change the signature of t...
What is better, curl or wget? [closed]
...h CURL, I frequently encounter error 18 - transfer closed with outstanding read data remaining (see stackoverflow.com/questions/1759956/…). This error I mostly get while trying to use it in Perl scripts, but WGET never gives me such issues. Shouldn't this be taken into consideration?
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