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Using Django time/date widgets in custom form
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Find kth smallest element in a binary search tree in Optimum way
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How to properly handle a gzipped page when using curl?
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How to identify platform/compiler from preprocessor macros?
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For Mac OS:
#ifdef __APPLE__
For MingW on Windows:
#ifdef __MINGW32__
For Linux:
#ifdef...
Are negative array indexes allowed in C?
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That is correct. From C99 §6.5.2.1/2:
The definition of the subscript
operator [] is ...
How to force maven update?
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mvn clean install -U
-U means force update of snapshot dependencies. Release dependencies ...
A regex to match a substring that isn't followed by a certain other substring
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Try:
/(?!.*bar)(?=.*foo)^(\w+)$/
Tests:
blahfooblah # pass
blahfooblahbarfail ...
Can table columns with a Foreign Key be NULL?
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Yes, you can enforce the constraint only when the value is not NULL. This can be easily tested w...
How to copy files from 'assets' folder to sdcard?
...am in, OutputStream out) throws IOException {
byte[] buffer = new byte[1024];
int read;
while((read = in.read(buffer)) != -1){
out.write(buffer, 0, read);
}
}
Reference : Move file using Java
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