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Windows can't find the file on subprocess.call()
...uld type:
import subprocess
subprocess.call('dir', shell=True)
To quote from the documentation:
The only time you need to specify shell=True on Windows is when the command you wish to execute is built into the shell (e.g. dir or copy). You do not need shell=True to run a batch file or console...
How to get the caller's method name in the called method?
...lf' in parentframe.f_locals:
# I don't know any way to detect call from the object method
# XXX: there seems to be no way to detect static method call - it will
# be just a function call
name.append(parentframe.f_locals['self'].__class__.__name__)
codename = ...
Understanding Apache's access log
What do each of the things in this line from my access log mean?
3 Answers
3
...
Why doesn't print work in a lambda?
...-ported print function if you are using the latest Python 2.x:
In [1324]: from __future__ import print_function
In [1325]: f = lambda x: print(x)
In [1326]: f("HI")
HI
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What are the basic rules and idioms for operator overloading?
...ed in hardware interfacing for the bit-manipulation functions they inherit from C, have become more prevalent as overloaded stream input and output operators in most applications. For guidance overloading as bit-manipulation operators, see the section below on Binary Arithmetic Operators. For impl...
O(nlogn) Algorithm - Find three evenly spaced ones within binary string
... if there exists any other pair (a,c), then the coefficient is at least 3, from (a,c) and (c,a). For the example above, we have the coefficient of x10 to be 3 precisely because of the AP (2,5,8). (These coefficients x2b will always be odd numbers, for the reasons above. And all other coefficients in...
How to convert a string from uppercase to lowercase in Bash? [duplicate]
I have been searching to find a way to convert a string value from upper case to lower case. All the search results show approaches of using tr command.
...
Facebook Callback appends '#_=_' to Return URL
...tication and Ryan's solution, for some reason just removes every parameter from the url. This solution works perfectly in my case.
– BlueSun3k1
Oct 14 '17 at 22:40
add a comme...
JavaScript function in href vs. onclick
... the href would offend those who believe strongly in separation of content from behavior/action. The argument is that your html content should remain focused solely on content, not on presentation or behavior.
The typical path these days is to use a javascript library (eg. jquery) and create an eve...
Integer.toString(int i) vs String.valueOf(int i)
...cal thing, but it is more useful for a developer to use the method valueOf from the String class than from the proper type, as it leads to fewer changes for us to make.
Sample 1:
public String doStuff(int num) {
// Do something with num...
return String.valueOf(num);
}
Sample2:
public ...