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Executing a command stored in a variable from PowerShell
...med on my own system that 7z.exe gave the error you described, just typing from the command prompt, but with the full path to 7z.exe (for me, it was 'C:\Program Files\7-zip\7z.exe', I could execute 7z.exe.
– kbrimington
Aug 29 '10 at 0:04
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Remove characters from NSString?
...
Taken from NSString
stringByReplacingOccurrencesOfString:withString:
Returns a new string in which all occurrences of a target string in the receiver are replaced by another given string.
- (NSString *)stringByReplacingOccurren...
How to calculate the time interval between two time strings
...fically, the strptime function, which parses a string into a time object.
from datetime import datetime
s1 = '10:33:26'
s2 = '11:15:49' # for example
FMT = '%H:%M:%S'
tdelta = datetime.strptime(s2, FMT) - datetime.strptime(s1, FMT)
That gets you a timedelta object that contains the difference bet...
Am I immoral for using a variable name that differs from its type only by case?
...was no semantic meaning I could give a primitive I would use i or s, apart from loop indices I cant't think of any other such scenario.
– AnthonyWJones
Jan 20 '09 at 13:19
1
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How do I get a value of datetime.today() in Python that is “timezone aware”?
I am trying to subtract one date value from the value of datetime.today() to calculate how long ago something was. But it complains:
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Least common multiple for 3 or more numbers
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Some Python code that doesn't require a function for gcd:
from sys import argv
def lcm(x,y):
tmp=x
while (tmp%y)!=0:
tmp+=x
return tmp
def lcmm(*args):
return reduce(lcm,args)
args=map(int,argv[1:])
print lcmm(*args)
Here's what it looks like in the ter...
CSS/HTML: What is the correct way to make text italic?
...sn't a generic "italics" element. Sometimes, text is intended to stand out from the rest of the paragraph, as if it was in a different mood or voice. For this, the i element is more appropriate.
– Dimitris Zorbas
Dec 7 '15 at 11:31
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How to check type of files without extensions in python?
...agic and use it as follows:
>>> import magic
>>> magic.from_file('iceland.jpg')
'JPEG image data, JFIF standard 1.01'
>>> magic.from_file('iceland.jpg', mime=True)
'image/jpeg'
>>> magic.from_file('greenland.png')
'PNG image data, 600 x 1000, 8-bit colormap, n...
What is an invariant?
...ion. That is, if your loop was supposed to process a collection of objects from one stack to another, you could say that |stack1|+|stack2|=c, at the top or bottom of the loop.
If the invariant check failed, it would indicate something went wrong. In this example, it could mean that you forgot to pu...
Add and Remove Views in Android Dynamically?
How do I add and remove views such as TextView s from Android app like on the original stock Android contacts screen where you press a small icon on the right side of a field and it adds or deletes a field which consists of a TextView and an editTextView (from what I can see).
...