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What is the difference between
Can some one please describe the usage of the following characters which is used in ERB file:
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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
What is meant by String Pool ? And what is the difference between the following declarations:
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Length of an integer in Python
In Python, how do you find the number of digits in an integer?
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Who is listening on a given TCP port on Mac OS X?
On Linux, I can use netstat -pntl | grep $PORT or fuser -n tcp $PORT to find out which process (PID) is listening on the specified TCP port. How do I get the same information on Mac OS X?
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Delete all files in directory (but not directory) - one liner solution
I want to delete all files inside ABC directory.
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Get notified when UITableView has finished asking for data?
Is there some way to find out when a UITableView has finished asking for data from its data source?
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How to remove new line characters from a string?
I have a string in the following format
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Why does the C preprocessor interpret the word “linux” as the constant “1”?
...ow for differences between systems. These macro definitions were generally set by the compiler itself, not defined in a library header file. Since there were no real rules about which identifiers could be used by the implementation and which were reserved for programmers, compiler writers felt free ...
Is jQuery “each()” function synchronous?
...early ALL JavaScript is synchronous. The only exceptions are AJAX, timers (setTimeout and setInterval), and HTML5 Web Workers.
Your problem is probably somewhere else in your code.
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Check if a given key already exists in a dictionary
...anted to always ensure a default value for any key you can either use dict.setdefault() repeatedly or defaultdict from the collections module, like so:
from collections import defaultdict
d = defaultdict(int)
for i in range(100):
d[i % 10] += 1
but in general, the in keyword is the best way...