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python design patterns [closed]
...nd the primitive Null value.
This object just eats the lack of attribute error, and you can avoid checking for their existence.
It's nothing more than
class Null(object):
def __init__(self, *args, **kwargs):
"Ignore parameters."
return None
def __call__(self, *args, **k...
What is the equivalent of the C++ Pair in Java?
... class and keeping the values together doesn't look too bad. And, if you really want a pair despite the limitations, there's always Object[2] + casts :-)
– marcus
Dec 14 '16 at 0:41
...
Official reasons for “Software caused connection abort: socket write error”
...
This error can occur when the local network system aborts a
connection, such as when WinSock closes an established connection
after data retransmission fails (receiver never acknowledges data sent
on a datastream socket).
...
Exiting from python Command Line
... Seems like this method doesn't work if the script ran into an error.
– blaylockbk
Dec 6 '16 at 20:55
2
...
How to turn on/off ReactJS 'development mode'?
...production version includes extra performance optimizations and strips all error messages.
Basically, the unminified version of React is "development" mode, and the minified version of React is "production" mode.
To be in "production" mode, just include the minified version react-0.9.0.min.js
...
os.walk without digging into directories below
...
Oh i was getting all sort of funny error from that one. ValueError: too many values to unpack
– Setori
Oct 24 '08 at 1:34
1
...
R apply function with multiple parameters
...(mylist, function(var1, var2) { var1*var2 }, var=thisvar2) But I get an error that argument 2 matches multiple formal arguments
– emudrak
Jan 26 '17 at 18:43
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Convert JSON String to JSON Object c#
...
305
JObject defines method Parse for this:
JObject json = JObject.Parse(str);
You might want to ...
Calculate the execution time of a method
...ch as JITing) causes varying execution times to occur. Therefore, realistically, for accurate measurements, the OP should be using a performance profiler.
– Matthew Layton
Dec 24 '12 at 9:56
...
Why Maven uses JDK 1.6 but my java -version is 1.7
...That doesn't work if maven is running using java 6. It just crashes with [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project {projectname}: Fatal error compiling: invalid target release: 1.7 -> [Help 1]
– Ga...