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Utilizing multi core for tar+gzip/bzip compression/decompression
...r
tar -P --transform='s@/my/path/@@g' -cf - {} +
--transform is a simple string replacement parameter. It will strip the path of the files from the archive so the tarball's root becomes the current directory when extracting. Note that you can't use -C option to change directory as you'll lose bene...
Officially, what is typename for?
...:NestedType // No need for typename here
{
public:
D(std::string str) : B<T>::NestedType(str) // No need for typename here
{
typename B<T>::AnotherNestedType * x; // typename is needed here
}
}
Note: Using typename for the second case (i.e. before nes...
TypeError: 'NoneType' object is not iterable in Python
... #NameError: name 'NoneType' is not defined
Concatenation of None and a string:
bar = "something"
foo = None
print foo + bar #TypeError: cannot concatenate 'str' and 'NoneType' objects
What's going on here?
Python's interpreter converted your code to pyc bytecode. The Python virtual machi...
Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image?
...s correct. Internally, Android uses DPI numbers (160, 320, 480, etc.), not strings, for the resource qualifiers. If the system DPI is 160 and it finds a 640 image, it will downsample it by 4, without needing to "know about" its textual qualifier. We've shipped resources that only exist in the xxxhdp...
Limits of Nat type in Shapeless
...n example of a Concat type class that allows to concatenate two type-level strings via a macro. A type class for summing type-level integers would probably look very similar.
– Frank S. Thomas
Apr 16 '16 at 15:57
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What is the “right” JSON date format?
... This is also the preferred representations according to ECMA: JSON.stringify({'now': new Date()}) "{"now":"2013-10-21T13:28:06.419Z"}"
– Steven
Oct 21 '13 at 13:28
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PDO get the last ID inserted
...t;execute();
$LAST_ID = $this->conn->lastInsertId(); //always return string(1)=0
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How do I set up HttpContent for my HttpClient PostAsync second parameter?
...to use one the classes derived from it depending on your need. Most likely StringContent, which lets you set the string value of the response, the encoding, and the media type in the constructor. See: http://msdn.microsoft.com/en-us/library/system.net.http.stringcontent.aspx
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Can comments be used in JSON?
...to hold parsing directive". By that logic, he should also have removed the string type. Terrible decision.
– adelphus
Jun 12 '14 at 14:22
84
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Get application version name using adb
...ackage" i32 0. the version number will be somewhere near 0x1F and the name string after 0x20 (should be 3rd line)
– arbuz
Aug 14 '12 at 10:43
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