大约有 20,000 项符合查询结果（耗时：0.0306秒） [XML]
What are some good Python ORM solutions? [closed]
...me = CharField()
class Entry(Model):
blog = ForeignKeyField(Blog)
title = CharField()
body = TextField()
pub_date = DateTimeField(default=datetime.datetime.now)
# query it like django
Entry.filter(blog__name='Some great blog')
# or programmatically for finer-grained control
Entry....
Easy way to pull latest of all git submodules
...ter is the most up to date branch, etc...
Following this, create a simple script that does the following:
check git submodule status for "modified" repositories. The first character of the output lines indicates this. If a sub-repo is modified, you may NOT want to proceed.
for each repo listed,...
Hiding user input on terminal in Linux script
I have bash script like the following:
9 Answers
9
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Difference between string and text in rails?
...ule of thumb, use :string for short text input (username, email, password, titles, etc.) and use :text for longer expected input such as descriptions, comment content, etc.
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Why does Eclipse automatically add appcompat v7 library support whenever I create a new project?
...orderInCategory="100"
android:showAsAction="never"
android:title="@string/action_settings"/>
</menu>
Finally change your MainActivity.java like these:
import android.app.Activity;
import android.os.Bundle;
public class MainActivity extends Activity {
@Override
...
How to implement the Android ActionBar back button?
....example.myfirstapp.DisplayMessageActivity"
android:label="@string/title_activity_display_message"
android:parentActivityName="com.example.myfirstapp.MainActivity" >
<!-- The meta-data element is needed for versions lower than 4.1 -->
<meta-data
...
How is an overloaded method chosen when a parameter is the literal null value?
...
To answer the question in the title: null is neither a String nor an Object, but a reference to either can be assigned to null.
I'm actually surprised this code even compiles. I tried something similar previously and I got a compiler error saying that t...
Jquery If radio button is checked
...d).appendTo('body');
} else {
$(appended).remove();
}
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
<input type="radio" id="postageyes" name="postage" value="Yes" />Yes
<input type="radio" id="postageno" name="postage...
Difference between require, include, require_once and include_once?
...y. If an error occurs, the include() function generates a warning, but the script will continue execution. The require() generates a fatal error, and the script will stop.
The answer to 2 can be found here.
The require_once() statement is identical to require() except PHP will check if the fil...
How to create cron job using PHP?
...
In the same way you are trying to run cron.php, you can run another PHP script. You will have to do so via the CLI interface though.
#!/usr/bin/env php
<?php
# This file would be say, '/usr/local/bin/run.php'
// code
echo "this was run from CRON";
Then, add an entry to the crontab:
* * * ...