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List all svn:externals recursively?
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Wim CoenenWim Coenen
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Threads vs Processes in Linux
...people say that in Linux, it is almost always better to use processes instead of threads, since Linux is very efficient in handling processes, and because there are so many problems (such as locking) associated with threads. However, I am suspicious, because it seems like threads could give a prett...
Why is there no xrange function in Python3?
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Some performance measurements, using timeit instead of trying to do it manually with time.
First, Apple 2.7.2 64-bit:
In [37]: %timeit collections.deque((x for x in xrange(10000000) if x%4 == 0), maxlen=0)
1 loops, best of 3: 1.05 s per loop
Now, python.org 3.3.0 64-bit...
Overloading member access operators ->, .*
I understand most operator overloading, with the exception of the member access operators -> , .* , ->* etc.
5 An...
How to highlight cell if value duplicate in same column for google spreadsheet?
I am looking for formula for google spreadsheet
highlight cell if value duplicate in same column
6 Answers
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Why does the order in which libraries are linked sometimes cause errors in GCC?
...swer to get the more elaborate text, but I now think it's easier for the reader to see real command lines).
Common files shared by all below commands
$ cat a.cpp
extern int a;
int main() {
return a;
}
$ cat b.cpp
extern int b;
int a = b;
$ cat d.cpp
int b;
Linking to static libraries
$ g+...
How to format numbers as currency string?
...toFixed(2) //returns 2489.82
profits.toFixed(7) //returns 2489.8237000 (pads the decimals)
All you need is to add the currency symbol (e.g. "$" + profits.toFixed(2)) and you will have your amount in dollars.
Custom function
If you require the use of , between each digit, you can use this funct...
Running multiple AsyncTasks at the same time — not possible?
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AsyncTask uses a thread pool pattern for running the stuff from doInBackground(). The issue is initially (in early Android OS versions) the pool size was just 1, meaning no parallel computations for a bunch of AsyncTasks. But later they fixed tha...
How do I pass extra arguments to a Python decorator?
...or by wrapping it in a wrapper function. Here's an example that optionally adds logging when the function is called:
def log_decorator(log_enabled):
def actual_decorator(func):
@functools.wraps(func)
def wrapper(*args, **kwargs):
if log_enabled:
print...
Wait until file is unlocked in .NET
What's the simplest way of blocking a thread until a file has been unlocked and is accessible for reading and renaming? For example, is there a WaitOnFile() somewhere in the .NET Framework?
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