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How to grep Git commit diffs or contents for a certain word?
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937
If you want to find all commits where commit message contains given word, use
$ git log --grep...
How to check whether an object is a date?
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answered Mar 13 '09 at 17:43
ChristophChristoph
144k3434 gold badges171171 silver badges226226 bronze badges
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Pass column name in data.table using variable [duplicate]
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DT[ , eval(temp)]
# x v
# 1: b 1.52566586
# 2: b 0.66057253
# 3: b -1.29654641
# 4: a -1.71998260
# 5: a 0.03159933
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How do I get only directories using Get-ChildItem?
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For PowerShell versions less than 3.0:
The FileInfo object returned by Get-ChildItem has a "base" property, PSIsContainer. You want to select only those items.
Get-ChildItem -Recurse | ?{ $_.PSIsContainer }
If you want the raw string names of the director...
nodejs get file name from absolute path?
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answered Nov 6 '13 at 11:59
Victor StanciuVictor Stanciu
9,42933 gold badges2323 silver badges3434 bronze badges
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Remove leading comma from a string
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312
To remove the first character you would use:
var myOriginalString = ",'first string','more','...
Abstract Class vs Interface in C++ [duplicate]
...Class();
virtual void Method1();
virtual void Method2();
void Method3();
virtual void Method4() = 0; // make MyAbstractClass not instantiable
};
In Windows programming, interfaces are fundamental in COM. In fact, a COM component exports only interfaces (i.e. pointers to v-tables, i.e. po...
How do I get a YouTube video thumbnail from the YouTube API?
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33 Answers
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Check if an apt-get package is installed and then install it if it's not on Linux
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317
To check if packagename was installed, type:
dpkg -s <packagename>
You can also use d...
