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How can I grep for a string that begins with a dash/hyphen?
I want to grep for the string that starts with a dash/hyphen, like -X , in a file, but it's confusing this as a command line argument.
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How can I get `find` to ignore .svn directories?
... set in an integer) is faster than comparing the filename (equivalent to a string comparison, which is O(n)), putting -type d before -name .svn is theoretically more efficient. However, it is usually insignificant except if you have a very very big directory tree.
– Siu Ching P...
Why is it impossible to build a compiler that can determine if a C++ function will change the value
...int& val) {
cout << "Should I change value? [Y/N] >";
string reply;
cin >> reply;
if (reply == "Y") {
val = 42;
}
}
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Are there any SHA-256 javascript implementations that are generally considered trustworthy?
...I agree with @NickBrunt . It is better if the attacker reads a random hash string that may fit only with this particular app rather than the original password that may be used in several places.
– Aebsubis
May 28 '14 at 15:16
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Find out what process registered a global hotkey? (Windows API)
...PI, ActiveX, CommCtrl;
procedure GetShellLinkHotKey;
var
LinkFile : WideString;
SL: IShellLink;
PF: IPersistFile;
HotKey : Word;
HotKeyMod: Byte;
HotKeyText : string;
begin
LinkFile := 'C:\Temp\Temp.lnk';
OleCheck(CoCreateInstance(CLSID_ShellLink, nil, CLSCTX_INPROC_SERVER, IShell...
How to sort in-place using the merge sort algorithm?
...rrays only actually contain single words per element, e.g., a pointer to a string or structure) to trade off some space for time and have a separate temporary array that you sort back and forth between.
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Compare two folders which has many files inside contents
...trailing blanks (spaces and tabs)
and treats other strings of blanks as
equivalent.
-i Ignores the case of letters. For example,
`A' will compare equal to `a'.
-t Expands <TAB> characters in output ...
How to center align the cells of a UICollectionView?
... This is good solution thanks, however this does require some extra calculations on my side.
– RVN
Nov 27 '12 at 16:49
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get string value from HashMap depending on key name
...t: you edited your question with the following:
I'm expecting to see a String, such as "ABC" or "DEF" as that is what I put in there initially, but if I do a System.out.println() I get something like java.lang.string#F0454
Sorry, I'm not too familiar with maps as you can probably guess ;)
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Automatically remove Subversion unversioned files
...X, my alternative is as follows, which translates the linebreaks into null chars and uses the -0 option on xargs to handle spaces in filenames: svn status | grep ^\? | cut -c9- | tr '\n' '\0' | xargs -0 rm
– Brian Webster
Apr 15 '11 at 22:19
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