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Validate that a string is a positive integer
...ng(n) === str && n >= 0;
}
or if you want to allow whitespace and leading zeros:
function isNormalInteger(str) {
str = str.trim();
if (!str) {
return false;
}
str = str.replace(/^0+/, "") || "0";
var n = Math.floor(Number(str));
return n !== Infinity &am...
NSDate beginning of day and end of day
...onents.timeZone = NSTimeZone(name: "GMT")
– Tom Bevelander
Sep 5 '16 at 0:45
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Why not use exceptions as regular flow of control?
To avoid all standard-answers I could have Googled on, I will provide an example you all can attack at will.
24 Answers
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Mongoose and multiple database in single node.js project
...that contains sub projects. One sub project will have one Mongodb database and Mongoose will be use for wrapping and querying db. But the problem is
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How to increment a NSNumber
...
Update: FYI, I personally like BoltClock's and DarkDusts's one-line answers better. They're more concise, and don't require additional variables.
In order to increment an NSNumber, you're going to have to get its value, increment that, and store it in a new NSNumbe...
Vertically centering a div inside another div [duplicate]
...n middle works, but you will have to use table-cell on your parent element and inline-block on the child.
This solution is not going to work in IE6 & 7. Yours is the safer way to go for those. But since you tagged your question with CSS3 and HTML5 I was thinking that you don't mind using a mode...
Recommended website resolution (width and height)? [closed]
Is there any standard on common website resolution?
23 Answers
23
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How to set a Default Route (To an Area) in MVC
... before but there is no solid solution out there. So for purpose of myself and others who may find this useful.
13 Answers
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View markdown files offline [closed]
... referring to showing the README.md file as it would come out in Github, and not as for editing purposes.
34 Answers
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Inserting a PDF file in LaTeX
...ude, i.e. \includepdf[pages={1,3,5}]{myfile.pdf} would include pages 1, 3, and 5 of the file. To include the entire file, you specify pages={-}, where {-} is a range without the endpoints specified which default to the first and last pages, respectively.
– rcollyer
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