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How does grep run so fast?
... fast because it EXECUTES VERY FEW INSTRUCTIONS FOR EACH
BYTE that it
does look at.
GNU grep uses the well-known Boyer-Moore algorithm, which looks first
for the final letter of the target string, and uses a lookup table to
tell it how far ahead it can skip in the input whenever it fin...
How does inline Javascript (in HTML) work?
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The script must come after the tag, otherwise the tag does not exist when it is executed -- I suggest changing your answer to reflect this.
– undefined
Jun 14 '13 at 22:20
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ie8 var w= window.open() - “Message: Invalid argument.”
..., '', 'width=300');
In fact, reading carefully I realized that Microsoft does not support a name as second argument. When you look at the official documentation page, you see that Microsoft only allows the following arguments, If using that argument at all:
_blank
_media
_parent
_search
_self
_t...
What does the comma operator , do?
What does the , operator do in C?
8 Answers
8
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What does threadsafe mean?
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So does this only apply to code utilizing global and static variables then? Using your example of people editing documents, I suppose it doesn't make sense to prevent person 2 from running the document-writing code on another do...
Where does Console.WriteLine go in ASP.NET?
...look at the Console class in .NET Reflector, you'll find that if a process doesn't have an associated console, Console.Out and Console.Error are backed by Stream.Null (wrapped inside a TextWriter), which is a dummy implementation of Stream that basically ignores all input, and gives no output.
So i...
Execute unit tests serially (rather than in parallel)
...ce.
Having said that, your question about running xUnit tests in sequence does have an answer! I encountered exactly the same issue because my system uses a static service locator (which is less than ideal).
By default xUnit 2.x runs all tests in parallel. This can be modified per-assembly by defi...
No line-break after a hyphen
...n your jsfiddle, shrunk the frame down as small as it can go, and the line doesn't split there any more.
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Mac OS X Terminal: Map option+delete to “backward delete word”
...and then you've got a bunch of handy options: Ctrl+w deletes prev word (as does Meta+delete as mentioned), but you can also use Meta+f and Meta+b to walk forward and backwards thru words, Ctrl+a and Ctrl+e to beginning and end of line, Ctrl+k delete (kill) from cursor to end of line, and a bunch mo...
Does Java casting introduce overhead? Why?
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How about primitive types? I mean does, for example - casting from int to short cause similar overhead?
– luke1985
Nov 29 '19 at 7:45
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