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Is it possible to use 'else' in a list comprehension? [duplicate]
..., 2, 3]
So for your example,
table = ''.join(chr(index) if index in ords_to_keep else replace_with
for index in xrange(15))
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汇编语言超浓缩教程（汇编入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...和其数据组合起来的大小，限制在DS 所指的64K内，这就是COM文件不得大于64K的原因。8086以内存做为战场，用寄存器做为军事基地，以加速工作。除了前面所提的寄存器外，还有一些特殊功能的寄存器：IP（Intruction Pointer）：指令...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
...a the stack or registers depending on compiler options/implementation
See: http://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html
-fpcc-struct-return
-freg-struct-return
If two compilers disagree, things can blow up. Needless to say the main reasons not to do this are illustrated are stack consum...
Loading and parsing a JSON file with multiple JSON objects
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@Pi_: you'll have a dictionary, so just access the fields as keys: data = json.loads(line); print data[u'votes']
– Martijn Pieters♦
Sep 16 '12 at 23:26
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Select2 doesn't work when embedded in a bootstrap modal
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curl: (60) SSL certificate problem: unable to get local issuer certificate
...don't have access to php.ini then you could add this to .user.ini in public_html).
curl.cainfo="/path/to/downloaded/cacert.pem"
Make sure you enclose the path within double quotation marks!!!
By default, the FastCGI process will parse new files every 300 seconds (if required you can change the fre...
Clojure: reduce vs. apply
... answered Jun 30 '10 at 21:30
G__G__
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What is the difference between a thread and a fiber?
...an run.
Some useful links explaining it better than I probably did are:
http://en.wikipedia.org/wiki/Fiber_(computer_science)
http://en.wikipedia.org/wiki/Computer_multitasking#Cooperative_multitasking.2Ftime-sharing
http://en.wikipedia.org/wiki/Pre-emptive_multitasking
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Python Progress Bar
... but maybe something very simple would do:
import time
import sys
toolbar_width = 40
# setup toolbar
sys.stdout.write("[%s]" % (" " * toolbar_width))
sys.stdout.flush()
sys.stdout.write("\b" * (toolbar_width+1)) # return to start of line, after '['
for i in xrange(toolbar_width):
time.sleep(...
Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
...+ b[k]) for k in set(b) & set(a)])
or even more generic:
def combine_dicts(a, b, op=operator.add):
return dict(a.items() + b.items() +
[(k, op(a[k], b[k])) for k in set(b) & set(a)])
For example:
>>> a = {'a': 2, 'b':3, 'c':4}
>>> b = {'a': 5, 'c':6, 'x':7...