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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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add column to mysql table if it does not exist
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16 Answers
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Typedef function pointer?
... {
return u*v;
}
t_somefunc afunc = &product;
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int x2 = (*afunc)(123, 456); // call product() to calculate 123*456
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What is a C++ delegate?
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177
You have an incredible number of choices to achieve delegates in C++. Here are the ones that c...
If I have ACCESS_FINE_LOCATION already, can I omit ACCESS_COARSE_LOCATION?
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https://developer.android.com/guide/topics/location/strategies.html#Permission
Note: If yo...
Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
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edited Jul 9 '12 at 13:05
Noctis Skytower
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How do I enumerate through a JObject?
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168
If you look at the documentation for JObject, you will see that it implements IEnumerable<K...
Logger slf4j advantages of formatting with {} instead of string concatenation
...lly significant if your have dense logging statements.
(Prior to SLF4J 1.7) But only two parameters are possible
Because the vast majority of logging statements have 2 or fewer parameters, so SLF4J API up to version 1.6 covers (only) the majority of use cases. The API designers have provided ...
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 you split and unsplit a window/view in Eclipse IDE?
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