大约有 16,000 项符合查询结果（耗时：0.0229秒） [XML]
Sleeping in a batch file
... following sleep.py script and add it somewhere in your PATH:
import time, sys
time.sleep(float(sys.argv[1]))
It will allow sub-second pauses (for example, 1.5 sec, 0.1, etc.), should you have such a need. If you want to call it as sleep rather than sleep.py, then you can add the .PY extension to ...
What is the difference between printf() and puts() in C?
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In simple cases, the compiler converts calls to printf() to calls to puts().
For example, the following code will be compiled to the assembly code I show next.
#include <stdio.h>
main() {
printf("Hello world!");
return 0;
}
push rbp
mo...
Cast a Double Variable to Decimal
...ited to keep an exact value, so if you first add numbers together and then convert to Decimal you may get rounding errors. You may want to convert the numbers to Decimal before adding them together, or make sure that the numbers aren't floating point numbers in the first place.
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How to find the kth smallest element in the union of two sorted arrays?
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I've converted your code to C++. It seems to work
– jfs
Jul 27 '12 at 3:54
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How does this code generate the map of India?
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The long string is simply a binary sequence converted to ASCII. The first for statement makes b start out at 10, and the [b+++21] after the string yields 31. Treating the string as an array, offset 31 is the start of the "real" data in the string (the second line in ...
Convert Linq Query Result to Dictionary
... 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix...
Sorting arraylist in alphabetical order (case insensitive)
...ArrayList, then it sorts it (ignoring the case). After that, the stream is converted to an array which is converted to an ArrayList.
If you print the result using:
System.out.println(sorted);
you get the following output:
[ananya, Athira, bala, jeena, Karthika, Neethu, Nithin, seetha, sudhin, S...
What is the perfect counterpart in Python for “while not EOF”
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You can do the same with the stdin (no need to use raw_input():
import sys
for line in sys.stdin:
do_something()
To complete the picture, binary reads can be done with:
from functools import partial
with open('somefile', 'rb') as openfileobject:
for chunk in iter(partial(openfileobj...
Automatically import modules when entering the python or ipython interpreter
...s .startup.py file
print("(.startup.py)")
import datetime, os, pprint, re, sys, time
print("(imported datetime, os, pprint, re, sys, time)")
pp = pprint.pprint
Then define PYTHONSTARTUP=~/.startup.py, and Python will use it when starting a shell.
The print statements are there so when I start th...
Function to convert column number to letter?
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Cut-and-paste perfect to convert numbers greater than 676. Thanks!
– David Krider
Jul 25 '14 at 14:50
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