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Why does typeof array with objects return “object” and not “array”? [duplicate]
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254
One of the weird behaviour and spec in Javascript is the typeof Array is Object.
You can che...
how to ignore namespaces with XPath
... Dirk VollmarDirk Vollmar
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Copying the GNU screen scrollback buffer to a file (extended hardcopy)
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286
To write the entire contents of the scrollback buffer to a file, type
Ctrl + A and :
to get t...
How do I print the type of a variable in Rust?
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182
If you merely wish to find out the type of a variable and are willing to do it at compile time, ...
What do the different readystates in XMLHttpRequest mean, and how can I use them?
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172
The full list of readyState values is:
State Description
0 The request is not initialized...
How to get multiple counts with one SQL query?
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729
You can use a CASE statement with an aggregate function. This is basically the same thing as a ...
What is the benefit of using $() instead of backticks in shell scripts?
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An example, though somewhat contrived:
deps=$(find /dir -name $(ls -1tr 201112[0-9][0-9]*.txt | tail -1l) -print)
which will give you a list of all files in the /dir directory tree which have the same name as the earliest dated text file from December 2011 (a).
Another example would be somethi...
How do I count the number of occurrences of a char in a String?
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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...tions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier.
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How to find out which processes are using swap space in Linux?
...sing
81M of swap, but it also reports my system as a whole is using only 2M
of swap. Therefore, I will not add a similar Swap column to htop
because I don't know a reliable way to get this information (actually,
I don't think it's possible to get an exact number, because of shared
pages).
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