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What is Bit Masking?
... >> (shift right). This is how we can extract the four bytes from a 32-bit integer:
void more_stuff(uint32_t value) { // Example value: 0x01020304
uint32_t byte1 = (value >> 24); // 0x01020304 >> 24 is 0x01 so
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How to delete files/subfolders in a specific directory at the command prompt in Windows
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edited May 23 '17 at 11:55
Community♦
111 silver badge
answered Aug 11 '10 at 14:12
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Is there a good Valgrind substitute for Windows?
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38 Answers
38
Active
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What does void* mean and how to use it?
...elements of the array. It gets called like so:
int iArr[10];
double dArr[30];
long lArr[50];
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qsort(iArr, sizeof iArr/sizeof iArr[0], sizeof iArr[0], compareInt);
qsort(dArr, sizeof dArr/sizeof dArr[0], sizeof dArr[0], compareDouble);
qsort(lArr, sizeof lArr/sizeof lArr[0], sizeof lArr[0], comp...
Equivalent of “throw” in R
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113
See help(tryCatch):
Conditions are signaled by
'signalCondition'. In addition, the
'sto...
How to delete multiple files at once in Bash on Linux?
...case would be handled by brace expansion, like so:
$ rm -rf abc.log.2012-03-{14,27,28}
The above would expand to a single command with all three arguments, and be equivalent to typing:
$ rm -rf abc.log.2012-03-14 abc.log.2012-03-27 abc.log.2012-03-28
It's important to note that this expansion ...
keytool error Keystore was tampered with, or password was incorrect
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answered Jun 7 '13 at 15:03
KalherKalher
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Case conventions on element names?
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Most XML standards originating from the W3C tend to use lower case with hyphens.
There is a philosophical distinction between seeing XML as a format for platform neutral documents, which W3C standards try to encourage, and languages such as XAML which see XML as a ...
Are there any standard exit status codes in Linux?
...'exit 42'; echo $?
42
$ sh -c 'kill -SEGV $$'; echo $?
Segmentation fault
139
$ expr 139 - 128
11
If you're seeing anything other than this, then the program probably has a SIGSEGV signal handler which then calls exit normally, so it isn't actually getting killed by the signal. (Programs can chos...
Initializing a list to a known number of elements in Python [duplicate]
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356
The first thing that comes to mind for me is:
verts = [None]*1000
But do you really need to...