大约有 14,600 项符合查询结果（耗时：0.0310秒） [XML]
Fragment MyFragment not attached to Activity
...em when I used DialogFragment. After dismissing dialogFragment, I tried to start another activity. Then this error occurred. I avoided this error by calling dismiss() after startActivity. The problem was that fragment was already detached from Activity.
– Ataru
...
What's the scope of the “using” declaration in C++?
...laration out. It's a simple text substitution before the compilation even starts.
You can limit a using declaration to a scope:
void myFunction()
{
using namespace std; // only applies to the function's scope
vector<int> myVector;
}
...
How do I install the OpenSSL libraries on Ubuntu?
... the best naming standard we can have... but someone really SHOULD finally start teaching this at school subject "basics of IT" in ALL schools in the world.
– Filip OvertoneSinger Rydlo
Jun 28 '15 at 16:00
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A more useful statusline in vim? [closed]
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@AhmedAeonAxan try airline, it starts fast (pure vimscript). And takes way less effort to setup, especially with Vundle or Pathogen. And once you install powerline font it more or less look like airline. github.com/Lokaltog/powerline-fonts
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JavaScript seconds to time string with format hh:mm:ss
...se .replace(/^[0:]+/, "") after substr to remove all zeroes and : from the start of the string.
– Palo
Feb 11 '17 at 13:44
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How can I delete all unversioned/ignored files/folders in my working copy?
...e '^.\s+' | rm -recurse -force}
This adds the carat ("^") to specify the start of line, avoiding matching all files that contain the letter "i". Also add the flags for -recurse and -force to rm to make this command non-interactive and so usable in a script.
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Which HTML5 reset CSS do you use and why? [closed]
...)
https://github.com/necolas/normalize.css/blob/master/normalize.css
It started good with some webkit/ie hacks but
h1 {
font-size: 2em;
margin: 0.67em 0;
}
h2 {
font-size: 1.5em;
margin: 0.83em 0;
}
h3 {
font-size: 1.17em;
margin: 1em 0;
}
h4 {
font-size: 1em;
...
Facebook Graph API, how to get users email?
...Facebook SDK v5 for PHP
// https://developers.facebook.com/docs/php/gettingstarted/5.0.0
$fb = new Facebook\Facebook([
'app_id' => '{app-id}',
'app_secret' => '{app-secret}',
'default_graph_version' => 'v2.4',
]);
$fb->setDefaultAccessToken($_SESSION['facebook_access_token']);
$r...
How to set button click effect in Android?
...m/apk/res/android">
<gradient android:angle="90" android:startColor="#880f0f10" android:centerColor="#880d0d0f" android:endColor="#885d5d5e"/>
</shape>
</item>
</layer-list>
In the xml of your button set the background to be the button xml e.g.
a...
How to avoid “cannot load such file — utils/popen” from homebrew on OSX
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I simply reinstalled homebrew with a fresh version and it started working. Check homebrew homepage with the link to install, and when you try it it will complain that homebrew is already installed and teach you how to uninstall.
– pertz
Feb 23 ...