大约有 30,000 项符合查询结果（耗时：0.0599秒） [XML]
Iterate over the lines of a string
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1000 loops, best of 3: 406 usec per loop
not quite as good as the .find based approach -- still, worth keeping in mind because it might be less prone to small off-by-one bugs (any loop where you see occurrences of +1 and -1, like my f3 above, should automatically trigger off-by-one suspicions -- ...
Converting an int to std::string
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Overkill? Based on what? boost.org/doc/libs/1_53_0/doc/html/boost_lexical_cast/…
– Catskul
Jun 3 '13 at 22:34
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How to run cron once, daily at 10pm
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How do exceptions work (behind the scenes) in c++
...ecutable). All the work is done behind the scenes by the standard library, based on these tables (_ZTI11MyException is typeinfo for MyException).
OK, that was not actually a surprise for me, I already knew how this compiler did it. Continuing with the assembly output:
.text
.align 2
.p...
Min/Max of dates in an array?
...ngth; ++i) { func(array[i]); } } function reduce(combine, base, array) { foreach(function(element) { base = combine(base, element); }, array); return base; }
– blaze
Jan 29 '13 at 0:36
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Underscore prefix for property and method names in JavaScript
...ty engagement led to renewed consensus on the proposal in this repository. Based on that consensus, implementations are moving forward on this proposal.
See https://caniuse.com/#feat=mdn-javascript_classes_private_class_fields
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Navigation in django
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I use template inheritance to customize navigation. For example:
base.html
<html>
<head>...</head>
<body>
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{% block nav %}
<ul id="nav">
<li>{% block nav-home %}<a href="{% url home %}">Home</a>...
Is there a unique Android device ID?
...l only work "some" of the time, and unfortunately, that's not good enough.
Based on my tests of devices (all phones, at least one of which is not activated):
All devices tested returned a value for TelephonyManager.getDeviceId()
All GSM devices (all tested with a SIM) returned a value for Telephony...
What does the slash mean in help() output?
...hat accepts positional-only parameters, arguments are mapped to parameters based solely on their position.
The syntax is now part of the Python language specification, as of version 3.8, see PEP 570 – Python Positional-Only Parameters. Before PEP 570, the syntax was already reserved for possible...
Using the RUN instruction in a Dockerfile with 'source' does not work
...p;& ln -s /bin/bash /bin/sh
This should work for every Ubuntu docker base image. I generally add this line for every Dockerfile I write.
Edit by a concerned bystander
If you want to get the effect of "use bash instead of sh throughout this entire Dockerfile", without altering and possibly da...