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Is there a way to check if a file is in use?
I'm writing a program in C# that needs to repeatedly access 1 image file. Most of the time it works, but if my computer's running fast, it will try to access the file before it's been saved back to the filesystem and throw an error: "File in use by another process" .
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How to find nth occurrence of character in a string?
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The quest for the Excel custom function tooltip
...iate.
The code is wrapped as an Excel-DNA add-in, and works on my Excel 2013 / Windows 8 machine. I've tested on one other configuration (64-bit Excel 2010 on Windows Server 2008) and had a serious problems.
For a C# function defined with the Excel-DNA attributes like this:
[ExcelFunction(Descrip...
How do I get hour and minutes from NSDate?
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Use an NSDateFormatter to convert string1 into an NSDate, then get the required NSDateComponents:
Obj-C:
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"<your date format goes here"];
NSDate *date = [dateFormatte...
Why does pthread_cond_wait have spurious wakeups?
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“Invalid form control” only in Google Chrome
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SQL Server Regular expressions in T-SQL
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edited Oct 29 '11 at 3:51
Kirk Woll
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What purpose does a tag serve inside of a tag?
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setMaxResults for Spring-Data-JPA annotation?
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As of Spring Data JPA 1.7.0 (Evans release train).
You can use the newly introduced Top and F...
What is the difference between persist() and merge() in JPA and Hibernate?
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JPA specification contains a very precise description of semantics of these operations, better...