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How to capture no file for fs.readFileSync()?
Within node.js readFile() shows how to capture an error, however there is no comment for the readFileSync() function regarding error handling. As such, if I try to use readFileSync() when there is no file, I get the error Error: ENOENT, no such file or directory .
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What are the minimum margins most printers can handle?
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This is only a safe bet on inkjets made for photo printing. Laser printers usually have a much larger margin. However, the question states that they're producing graphics, so optimizing for inkjets might be OK.
– Kevin Vermeer
Aug ...
Algorithm to generate all possible permutations of a list?
Say I have a list of n elements, I know there are n! possible ways to order these elements. What is an algorithm to generate all possible orderings of this list? Example, I have list [a, b, c]. The algorithm would return [[a, b, c], [a, c, b,], [b, a, c], [b, c, a], [c, a, b], [c, b, a]].
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get NSDate today, yesterday, this Week, last Week, this Month, last Month… variables
I am trying to do is to get NSDate today, yesterday, this Week, last Week, this Month, last Month variables ready for comparison for headers to be added on UITableView's titleForHeaderInSection
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What is the use of the @Temporal annotation in Hibernate?
...on of time is not defined. When dealing with temporal data, you might want to describe the expected precision in database. Temporal data can have DATE, TIME, or TIMESTAMP precision (i.e., the actual date, only the time, or both). Use the @Temporal annotation to fine tune that.
The temporal data is ...
How to reset (clear) form through JavaScript?
I have tried $("#client.frm").reset(); but it is not working.So how to reset form via jQuery?
12 Answers
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Mongoose populate after save
I cannot manually or automatically populate the creator field on a newly saved object ... the only way I can find is to re-query for the objects I already have which I would hate to do.
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Define make variable at rule execution time
In my GNUmakefile, I would like to have a rule that uses a temporary directory. For example:
4 Answers
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How can I get the DateTime for the start of the week?
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Use an extension method. They're the answer to everything, you know! ;)
public static class DateTimeExtensions
{
public static DateTime StartOfWeek(this DateTime dt, DayOfWeek startOfWeek)
{
int diff = (7 + (dt.DayOfWeek - startOfWeek)) % 7;
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Regex empty string or email
...e through Regex only? Accepting either empty string or email only? I want to have this on Regex only.
7 Answers
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