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Is it expensive to use try-catch blocks even if an exception is never thrown?
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206
try has almost no expense at all. Instead of doing the work of setting up the try at runtime, t...
Error-Handling in Swift-Language
... in exception path than in success path. This is not the case with Swift 2.0 errors, where success path and error path cost roughly the same.
All error throwing code must be declared, while exceptions might have been thrown from anywhere. All errors are "checked exceptions" in Java nomenclature. How...
How to detect READ_COMMITTED_SNAPSHOT is enabled?
...TTED isolation level are based on snapshot scans and do not acquire locks.
0 (default): READ_COMMITTED_SNAPSHOT option is OFF. Read operations under the READ COMMITTED isolation level use Shared (S) locks.
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Finding the author of a line of code in Mercurial
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answered Feb 9 '10 at 10:44
djcdjc
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undefined reference to `WinMain@16'
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#define NOMINMAX
#include <windows.h>
int main()
{
MessageBox( 0, "Blah blah...", "My Windows app!", MB_SETFOREGROUND );
}
Now let's build it using GNU toolchain (i.e. g++), no special options. Here gnuc is just a batch file that I use for that. It only supplies options to make g++ mor...
Python 2.7: Print to File
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Simon BergotSimon Bergot
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How many and which are the uses of “const” in C++?
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100
Trying to collect some uses:
Binding some temporary to reference-to-const, to lengthen its lif...
How to scroll to the bottom of a UITableView on the iPhone before the view appears
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I believe that calling
tableView.setContentOffset(CGPoint(x: 0, y: CGFloat.greatestFiniteMagnitude), animated: false)
will do what you want.
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Displaying the build date
... build - they tend to refer to it as "last Thursday's" rather than build 1.0.8.4321.
25 Answers
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Break when exception is thrown
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307
You are able to define the precise list of Exception you want to have a breakpoint on, even if ...