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LINQ where vs takewhile
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TakeWhile stops when the condition is false, Where continues and find all elements matching the condition
var intList = new int[] { 1, 2, 3, 4, 5, -1, -2 };
Console.WriteLine("Where");
foreach (var i in intList.Where(x => x <= 3))
Console.WriteLine(i);
Console.WriteLine("TakeWhile");
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What's the best practice using a settings file in Python? [closed]
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This is a pretty bad idea as if you want to allow low-privileged users to be able to change configuration files only, this way you're essentially allowing them to sneak in privileged code.
– nikolay
Jun 27 '12 at 23:17
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CSS Input Type Selectors - Possible to have an “or” or “not” syntax?
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CSS3 has a pseudo-class called :not()
input:not([type='checkbox']) {
visibility: hidden;
}
<p>If <code>:not()</code> is supported, you'll only see the checkbox.</p>
<ul&...
The OutputPath property is not set for this project
...ns by other unrelated XML elements.
Simply edit the .wixproj file so that all the <PropertyGroup> sections that define your build configs are adjacent to one another. (To edit the .wixproj in VS2013 right click on project in Solution Explorer, Unload project, right-click again->Edit YourPr...
Checkout multiple git repos into same Jenkins workspace
... to create a branch build, you would have to clone 4 jobs and then individually change the paths for each one. There are of course plugins to help with this, but it's easier to just checkout to a relative path from a single job. Then you can clone as much as you want without changing settings.
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Changing MongoDB data store directory
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The short answer is that the --dbpath parameter in MongoDB will allow you to control what directory MongoDB reads and writes it's data from.
mongod --dbpath /usr/local/mongodb-data
Would start mongodb and put the files in /usr/local/mongodb-data.
Depending on your distribution and...
How is the AND/OR operator represented as in Regular Expressions?
...now try to match the string given by the user with the following, automatically created, regex expression:
5 Answers
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How to find the size of an array in postgresql
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cardinality returns the number of all the elements in a single or multidimensional array. So select cardinality(ARRAY[[1,2], [3,4]]); would return 4, whereas select array_length(ARRAY[[1,2], [3,4]], 1) would return 2. If you're counting the first dimension, a...
How do I concatenate const/literal strings in C?
...nnot be used as a buffer, since it is a constant. Thus, you always have to allocate a char array for the buffer.
The return value of strcat can simply be ignored, it merely returns the same pointer as was passed in as the first argument. It is there for convenience, and allows you to chain the call...
RGB to hex and hex to RGB
...], 16)
} : null;
}
alert(hexToRgb("#0033ff").g); // "51";
Finally, an alternative version of rgbToHex(), as discussed in @casablanca's answer and suggested in the comments by @cwolves:
function rgbToHex(r, g, b) {
return "#" + ((1 << 24) + (r << 16) + (g << 8)...