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Find the extension of a filename in Ruby
I'm working on the file upload portion of a Rails app. Different types of files are handled differently by the app.
4 Answ...
How to determine device screen size category (small, normal, large, xlarge) using code?
...uration conf = getResources().getConfiguration();
int screenLayout = 1; // application default behavior
try {
Field field = conf.getClass().getDeclaredField("screenLayout");
screenLayout = field.getInt(conf);
} catch (Exception e) {
// NoSuchFieldException or related stuff
}
// Configura...
Performance differences between debug and release builds
... becomes x = 3; This simple example is caught early by the compiler, but happens at JIT time when other optimizations make this possible.
Copy propagation. x = a; y = x; becomes y = a; This helps the register allocator make better decisions. It is a big deal in the x86 jitter because it has few ...
gdb fails with “Unable to find Mach task port for process-id” error
My app runs fine but gdb fails to debug it with the following error
12 Answers
12
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QString to char* conversion
...
Well, the Qt FAQ says:
int main(int argc, char **argv)
{
QApplication app(argc, argv);
QString str1 = "Test";
QByteArray ba = str1.toLocal8Bit();
const char *c_str2 = ba.data();
printf("str2: %s", c_str2);
return app.exec();
}
So perhaps you're having other problems. How...
Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0
...
Problem: (Sql server 2014) This issue happens when assembly Microsoft.SqlServer.management.sdk.sfc version 12.0.0.0 not found by visual studio.
Solution: just go to http://www.microsoft.com/en-us/download/details.aspx?id=42295 and download:
ENU\x64\SharedManage...
How to check Google Play services version?
In my application, I need to check Google Play services version (which is installed in user's device). Is it possible ? And if yes, how can I do that? I searched Google but I could not find anything!
...
Task not serializable: java.io.NotSerializableException when calling function outside closure only o
...rmation code (closure) is:
serialized on the driver node,
shipped to the appropriate nodes in the cluster,
deserialized,
and finally executed on the nodes
You can of course run this locally (as in your example), but all those phases (apart from shipping over network) still occur. [This lets you ...
Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
...
Oh, never mind... found the Swift version here: developer.apple.com/library/mac/documentation/Networking/…
– Nicolas Miari
Sep 17 '15 at 4:43
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...
PHP: If internet explorer 6, 7, 8 , or 9
... sure I don't have to make a similar change during the lifetime of the web app I'm working on (as it only has a lifespan of 3 years). If someone is browsing the web with IE 5 or less, they have WAY more problems than viewing my web app.
– Adam Erstelle
Nov 22 '...