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Detect if a NumPy array contains at least one non-numeric value?
...ng and will work regardless of shape.
numpy.isnan(myarray).any()
Edit: 30x faster:
import timeit
s = 'import numpy;a = numpy.arange(10000.).reshape((100,100));a[10,10]=numpy.nan'
ms = [
'numpy.isnan(a).any()',
'any(numpy.isnan(x) for x in a.flatten())']
for m in ms:
print " %.2f s" ...
Is it better to reuse a StringBuilder in a loop?
...ion {
long time = System.currentTimeMillis();
for( int i = 0; i < 10000000; i++ ) {
StringBuilder sb = new StringBuilder();
sb.append( "someString" );
sb.append( "someString2"+i );
sb.append( "someStrin4g"+i );
sb.append(...
How to convert An NSInteger to an int?
...
206
Ta da:
NSInteger myInteger = 42;
int myInt = (int) myInteger;
NSInteger is nothing more than...
String concatenation does not work in SQLite
...
answered Aug 25 '10 at 17:54
codaddictcodaddict
394k7777 gold badges473473 silver badges507507 bronze badges
...
#if Not Debug in c#?
...
Rob Hruska
108k2727 gold badges158158 silver badges185185 bronze badges
answered Aug 30 '11 at 16:26
CodeNakedCod...
Clearing a string buffer/builder after loop
...ete method as follows:
StringBuffer sb = new StringBuffer();
for (int n = 0; n < 10; n++) {
sb.append("a");
// This will clear the buffer
sb.delete(0, sb.length());
}
Another option (bit cleaner) uses setLength(int len):
sb.setLength(0);
See Javadoc for more info:
...
Hibernate: Automatically creating/updating the db tables based on entity classes
...
104
I don't know if leaving hibernate off the front makes a difference.
The reference suggests it ...
ASP.NET Web API - PUT & DELETE Verbs Not Allowed - IIS 8
I recently upgraded from Visual Studio 2010 to the Visual Studio 2012 RC. The installer also installs IIS 8 Express which Visual Studio now uses as the default web server.
...
jQuery duplicate DIV into another DIV
...
edited Apr 17 '13 at 19:10
answered Apr 17 '13 at 19:04
ch...
What does the double colon (::) mean in CSS?
...
Salman A
220k7676 gold badges382382 silver badges479479 bronze badges
answered May 23 '13 at 1:05
alexalex
...