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How to check if object has any properties in JavaScript?
...d Apr 20 '10 at 6:49
Daniel VassalloDaniel Vassallo
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How do I manage MongoDB connections in a Node.js web application?
...there are multiple database.. should i open a connection for each database all together. If not, Is it OK to open and close when required?
– Aman Gupta
Oct 25 '16 at 14:19
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How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
...e source it's difficult to know the root cause, so I'll have to speak generally.
UnicodeDecodeError: 'ascii' codec can't decode byte generally happens when you try to convert a Python 2.x str that contains non-ASCII to a Unicode string without specifying the encoding of the original string.
In bri...
Using Spring MVC Test to unit test multipart POST request
...n) {
this.json = json;
}
}
}
and a unit test
@WebAppConfiguration
@ContextConfiguration(classes = WebConfig.class)
@RunWith(SpringJUnit4ClassRunner.class)
public class Example {
@Autowired
private WebApplicationContext webApplicationContext;
@Test
publi...
Can't find the 'libpq-fe.h header when trying to install pg gem
...on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error:
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ASP.NET MVC: What is the purpose of @section? [closed]
...
@section is for defining a content are override from a shared view. Basically, it is a way for you to adjust your shared view (similar to a Master Page in Web Forms).
You might find Scott Gu's write up on this very interesting.
Edit: Based on additional question clarification
The @RenderSection...
离线版启动超时，有报错日志 - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
...ources\app.asar.unpacked\OpenJDK\bin\java, --add-opens=java.base/java.lang=ALL-UNNAMED, -Xmx4G, --add-opens, java.base/java.net=ALL-UNNAMED, --add-opens, java.base/sun.net.www.protocol.http=ALL-UNNAMED, --add-opens, java.base/sun.net.www.protocol.https=ALL-UNNAMED, -Dfile.encoding=UTF-8, -classpath,...
How do I send a cross-domain POST request via JavaScript?
...e.php (using PHP as an example). Note: you only need to set Access-Control-Allow-Origin for NON OPTIONS requests - this example always sets all headers for a smaller code snippet.
In postHere.php setup the following:
switch ($_SERVER['HTTP_ORIGIN']) {
case 'http://from.com': case 'https://fro...
How do I deep copy a DateTime object?
...or now assume DateTime is returned from some opaque API that I can't just call over again. For example, I have a function that handles orders that returns a DateTime which is when the customer can next place an order. Calling the function to create a copy produces side effects I don't want.
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Can you give a Django app a verbose name for use throughout the admin?
...h to the appropriate AppConfig subclass to be configured explicitly in INSTALLED_APPS.
Example:
INSTALLED_APPS = [
# ...snip...
'yourapp.apps.YourAppConfig',
]
Then alter your AppConfig as listed below.
Django 1.7
As stated by rhunwicks' comment to OP, this is now possible out of the ...