大约有 11,000 项符合查询结果(耗时:0.0342秒) [XML]

https://stackoverflow.com/ques... 

C++ equivalent of java's instanceof

...y would it or its equivalent appear in every major OO-language: C++, Java, Python, etc.?) – Paul Draper Feb 3 '13 at 22:01 ...
https://stackoverflow.com/ques... 

When is the thread pool used?

...re's no such function to call to simulate something like time.sleep(30) in python, for example. There's setTimeout but that is fundamentally NOT sleep. setTimeout and setInterval explicitly release, not block, the event loop so other bits of code can execute on the main execution thread. The only th...
https://stackoverflow.com/ques... 

What is the best way to compute trending topics or tags?

...ng for. To give you an idea of simple this can be to implement, here is a python implementation (minus all the database interaction): >>> class EMA(object): ... def __init__(self, base, decay): ... self.val = base ... self.decay = decay ... print self.val ... def update(self, valu...
https://stackoverflow.com/ques... 

What techniques can be used to speed up C++ compilation times?

...u can run the regular nm command and pipe it to your favorite script (AWK, Python, etc.) to sort the symbols based on their length. Based on our experience, this method identifies the largest trouble making candidates better than method 1. Method 3 - Use Templight "Templight is a Clang-based tool to...
https://stackoverflow.com/ques... 

Regex Pattern to Match, Excluding when… / Except between

...r example, as well as the still-experimental regex module to replace re in Python, are the only two engines I know that support infinite-width lookbehind. With these tools, one condition in one lookbehind can take care of looking not only behind but also at the match and beyond the match, avoiding t...
https://stackoverflow.com/ques... 

What are the barriers to understanding pointers and what can be done to overcome them? [closed]

...ement a simple bytecode based virtual machine (in any language they chose, python works great for this) with an instruction set focussed on pointer operations (load, store, direct/indirect addressing). Then ask them to write simple programs for that instruction set. Anything requiring slightly more...
https://stackoverflow.com/ques... 

Dynamic type languages versus static type languages

...ly, dynamic typing has caught on in the contexts of education (e.g. Scheme/Python at MIT) and domain-specific languages for non-programmers (e.g. Mathematica). Dynamic languages have also caught on in niches where they have little or no competition (e.g. Javascript). The most concise dynamically-ty...
https://stackoverflow.com/ques... 

Multiple glibc libraries on a single host

... This was the most helpful! I patched python binary to use new glibc for tensorflow – faizan Jul 22 '17 at 16:53 ...
https://stackoverflow.com/ques... 

Regular expression to match numbers with or without commas and decimals in text

...derstand and correct the deficiency. I apologize for this code written in Python, but regexes are trans-langage and I think everybody will be capable of undertsanding the reex's pattern import re regx = re.compile('(?<![\d.])(?!\.\.)(?<![\d.][eE][+-])(?<![\d.][eE])(?<!\d[.,])' ...
https://stackoverflow.com/ques... 

Git-Based Source Control in the Enterprise: Suggested Tools and Practices?

...herefore better suited in an enterprise context: All plattforms that run python are supported Great GUI tools on all major plattforms (win/linux/OS X), first class merge/vdiff tool integration Very consistent interface, easy transition for svn users Can do most of the things git can do too, but p...