大约有 35,486 项符合查询结果（耗时：0.0563秒） [XML]
std::string to float or double
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std::string num = "0.6";
double temp = ::atof(num.c_str());
Does it for me, it is a valid C++ syntax to convert a string to a double.
You can do it with the stringstream or boost::lexical_cast but those come with a performance penalty.
Ah...
How can I extract embedded fonts from a PDF as valid font files?
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406
You have several options. All these methods work on Linux as well as on Windows or Mac OS X. Ho...
How to merge YAML arrays?
...N}@gitlab.com".insteadOf "ssh://git@gitlab.com"
- mkdir -p ~/.ssh
- chmod 700 ~/.ssh
- echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts
- chmod 644 ~/.ssh/known_hosts
test:
image: python:3.7.3
stage: test
script:
- *pip_git
- pip install -q -r requirements_test.txt
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Install a module using pip for specific python version
On Ubuntu 10.04 by default Python 2.6 is installed, then I have installed Python 2.7. How can I use pip install to install packages for Python 2.7.
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Difference between Mutable objects and Immutable objects [duplicate]
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edited Jan 31 '18 at 10:00
Ojonugwa Jude Ochalifu
22.8k2525 gold badges9797 silver badges118118 bronze badges
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Structs in Javascript
...);
var count = names.length;
function constructor() {
for (var i = 0; i < count; i++) {
this[names[i]] = arguments[i];
}
}
return constructor;
}
var Item = makeStruct("id speaker country");
var row = new Item(1, 'john', 'au');
alert(row.speaker); // displays: john
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Vertically aligning CSS :before and :after content [duplicate]
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10 Answers
10
Active
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JavaScript Form Submit - Confirm or Cancel Submission Dialog Box
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407
A simple inline JavaScript confirm would suffice:
<form onsubmit="return confirm('Do you re...
Are there any style options for the HTML5 Date picker?
...background: silver; }
::-webkit-datetime-edit-text { color: red; padding: 0 0.3em; }
::-webkit-datetime-edit-month-field { color: blue; }
::-webkit-datetime-edit-day-field { color: green; }
::-webkit-datetime-edit-year-field { color: purple; }
::-webkit-inner-spin-button { display: none; }
::-...
Android and XMPP: Currently available solutions [closed]
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106
Smack
Smack is a open-source XMPP client library. Since version 4.1 it runs natively on Android...