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SVN: Is there a way to mark a file as “do not commit”?
...a built in changelist, "ignore-on-commit", which is automatically excluded from commits. The command-line client does not have this, so you need to use multiple changelists to accomplish this same behavior (with caveats):
one for work you want to commit [work]
one for things you want to ignore [ig...
C++ “virtual” keyword for functions in derived classes. Is it necessary?
...explicitly, so you may want to use it if only to keep the compiler quiet.
From a purely stylistic point-of-view, including the virtual keyword clearly 'advertises' the fact to the user that the function is virtual. This will be important to anyone further sub-classing B without having to check A'...
Try-finally block prevents StackOverflowError
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following the math, yup. the last stack overflow from the last finally which failed to stack overflow will exit with... stack overflow =P. couldn't resist.
– WhozCraig
Sep 15 '12 at 23:13
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How to convert an NSTimeInterval (seconds) into minutes
I've got an amount of seconds that passed from a certain event. It's stored in a NSTimeInterval data type.
12 Answers
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How to drop into REPL (Read, Eval, Print, Loop) from Python code
...PL at an arbitrary point in its execution, even if the script was launched from the command line?
6 Answers
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how to convert an RGB image to numpy array?
...ng Library) and Numpy work well together.
I use the following functions.
from PIL import Image
import numpy as np
def load_image( infilename ) :
img = Image.open( infilename )
img.load()
data = np.asarray( img, dtype="int32" )
return data
def save_image( npdata, outfilename ) :
...
How to get the current date/time in Java [duplicate]
...milliseconds after the UNIX epoch (as a Java long). This value is a delta from a UTC time-point, and is independent of the local time-zone ... assuming that the system clock has been set correctly.
If you want the date / time in a form that allows you to access the components (year, month, etc) num...
Sending websocket ping/pong frame from browser
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Ping is meant to be sent only from server to client, and browser should answer as soon as possible with Pong OpCode, automatically. So you have not to worry about that on higher level.
Although that not all browsers support standard as they suppose to, t...
What is the meaning and difference between subject, user and principal?
...deterministic fashion, "user" is the right word.
Subject/Object inherits from the same terms as used in grammar. In a sentence the subject is the actor and the object is the thing acted on. In this sense the use has been around since before computers were invented. In a security context, a subj...
Meaning of Choreographer messages in Logcat [duplicate]
...ou will still skip 30 frames (naughty!) but you won't be warned about it.
From the 3 steps involved its clear that it isn't only animations that can trigger the warning: Invalidating a significant portion of a large View hierarchy or a View with a complicated onDraw method might be enough.
For exa...