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How to checkout in Git by date?
I am working on a regression in the source code. I'd like to tell Git: "checkout the source based on a parameterized date/time". Is this possible?
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How to create ls in windows command prompt?
I want to use ls in windows command prompt and make it run the dir command.
18 Answers
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How to get hex color value rather than RGB value?
..."1","2","3","4","5","6","7","8","9","a","b","c","d","e","f");
//Function to convert rgb color to hex format
function rgb2hex(rgb) {
rgb = rgb.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);
return "#" + hex(rgb[1]) + hex(rgb[2]) + hex(rgb[3]);
}
function hex(x) {
return isNaN(x) ? "00" : hexDigits...
How can I test that a value is “greater than or equal to” in Jasmine?
I want to confirm that a value is a decimal (or 0), so the number should be greater than or equal to zero and less than 1.
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Eclipse Kepler for OS X Mavericks request Java SE 6
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This is in part due to Oracle's missing definitions of the JRE8 VM capabilities.
In case you don't want to install JRE6 at all and simply use JRE8 without symlinking it to the JRE6 either you can do the following:
Copy the Info.plist located a...
Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)
I am having a big problem trying to connect to mysql. When I run:
41 Answers
41
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How to evaluate a math expression given in string form?
I'm trying to write a Java routine to evaluate math expressions from String values like:
25 Answers
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How do I copy directories recursively with gulp?
I am trying to stage a project from a working directory to a server (same machine). Using the following code:
4 Answers
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What do 'real', 'user' and 'sys' mean in the output of time(1)?
...s time statistics
One of these things is not like the other. Real refers to actual elapsed time; User and Sys refer to CPU time used only by the process.
Real is wall clock time - time from start to finish of the call. This is all elapsed time including time slices used by other processes and t...
How does one reorder columns in a data frame?
...,4)].
Note the first comma means keep all the rows, and the 1,2,3,4 refers to the columns.
To change the order as in the above question do df2[,c(1,3,2,4)]
If you want to output this file as a csv, do write.csv(df2, file="somedf.csv")
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