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Open existing file, append a single line
... (I like this)
File.AppendAllLines(
"FileAppendAllLines.txt",
new string[] { "line1", "line2", "line3" });
//Method 2
File.AppendAllText(
"FileAppendAllText.txt",
"line1" + Environment.NewLine +
"line2" + Environment.NewLine +
"line3" + Environment.NewLine);
//Method 3
usi...
C++, copy set to vector
...e a performance implication for
non-trivially constructed types (e.g. std::string).
We need to avoid constructing a vector with the size argument which
causes all elements default constructed (for nothing). Like with
solution using std::copy(), for instance.
And, finally, vector::assign() method or ...
unix - head AND tail of file
Say you have a txt file, what is the command to view the top 10 lines and bottom 10 lines of file simultaneously?
20 Answer...
“Unable to find remote helper for 'https'” during git clone
...led when you compile git can cause this.
If you install (lib)curl-devel, and then rebuild/install git, this should solve the problem:
$ yum install curl-devel
$ # cd to wherever the source for git is
$ cd /usr/local/src/git-1.7.9
$ ./configure
$ make
$ make install
This worked for me on Cento...
Checking if a SQL Server login already exists
...
Why was it necessary to create a statement as a string and then use sp_executesql, rather than just directly entering CREATE LOGIN [@loginName] FROM ...? Pardon my ignorance, I'd like to learn...
– LarsH
May 8 '13 at 15:10
...
Environment variable substitution in sed
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What if the string contains a \ followed by an n - how to stop sed from converting that into a single newline character?
– Max Waterman
Jul 24 at 9:58
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Histogram Matplotlib
... that is already in the histogram format, so I have the center of the bins and the number of events per bin. How can I now plot is as a histogram. I tried just doing
...
How to use BigInteger?
... changing the current BigInteger and this is what done even in the case of Strings
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Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets
...IImageEdgeInsets
CGSize buttonSize = button.frame.size;
NSString *buttonTitle = button.titleLabel.text;
CGSize titleSize = [buttonTitle sizeWithAttributes:@{ NSFontAttributeName : [UIFont camFontZonaProBoldWithSize:12.f] }];
UIImage *buttonImage = button.imageView.im...
How do I extract the contents of an rpm?
I have an rpm and I want to treat it like a tarball. I want to extract the contents into a directory so I can inspect the contents. I am familiar with the querying commands of an uninstalled package. I do not simply want a list of the contents of the rpm. i.e.
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