大约有 30,000 项符合查询结果（耗时：0.0513秒） [XML]
jQuery/JavaScript: accessing contents of an iframe
I would like to manipulate the HTML inside an iframe using jQuery.
14 Answers
14
...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...seeing if postgres works, create a scaffold:
$ rails g scaffold cats name:string age:integer colour:string
3) As of rails 4.0.1 the -d postgresql option generates a YAML that doesn't include a host parameter. I found I needed this. Edit the development section and create the following parameters:...
How to call asynchronous method from synchronous method in C#?
...;TUser, TKey>(this UserManager<TUser, TKey> manager, TKey userId, string role) where TUser : class, IUser<TKey> where TKey : IEquatable<TKey>
{
if (manager == null)
{
throw new ArgumentNullException("manager");
}
return AsyncHelper.RunSync<bool>(() ...
Media Player called in state 0, error (-38,0)
...Source(url);
mp.setOnPreparedListener(this);
mp.prepareAsync();
public void onPrepared(MediaPlayer player) {
player.start();
}
share
|
improve this answer
|
follow
...
onActivityResult is not being called in Fragment
...
The hosting activity overrides onActivityResult(), but it did not make a call to super.onActivityResult() for unhandled result codes. Apparently, even though the fragment is the one making the startActivityForResult() call, the activity gets the first...
Browsers' default CSS for HTML elements
...frames,
ol, p, ul, center,
dir, hr, menu, pre { display: block; unicode-bidi: embed }
li { display: list-item }
head { display: none }
table { display: table }
tr { display: table-row }
thead { display: table-header-group }
tbody {...
How can I set up an editor to work with Git on Windows?
...single-quotes so you must use double quotes "to specify the space embedded string argument".
Cygwin (which I believe is the underlying platform for Git's Bash) on the other hand likes both ' and "; you can specify a CMD-like paths, using / instead of \, so long as the string is quoted i.e. in this ...
force Maven to copy dependencies into target/lib
...e:
<project>
...
<profiles>
<profile>
<id>qa</id>
<build>
<plugins>
<plugin>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
...
Laravel Check If Related Model Exists
...fits-all method for all relations. Use query method instead as @tremby provided below:
$model->relation()->exists()
generic solution working on all the relation types (pre php 7.2):
if (count($model->relation))
{
// exists
}
This will work for every relation since dynamic properti...
How do you roll back (reset) a Git repository to a particular commit? [duplicate]
...
git reset --hard <tag/branch/commit id>
Notes:
git reset without the --hard option resets the commit history, but not the files. With the --hard option the files in working tree are also reset. (credited user)
If you wish to commit that state so that t...