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Chaining multiple filter() in Django, is this a bug?
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You seem to be mixed up between "matches" and "filters out". If you stuck to "this query returns" it would be a lot clearer.
– OrangeDog
Jan 3 '18 at 11:01
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How to fix 'android.os.NetworkOnMainThreadException'?
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This exception is thrown when an application attempts to perform a networking operation on its main thread. Run your code in AsyncTask:
class RetrieveFeedTask extends AsyncTask<String, Void, RSSFeed> {
private Exception exce...
Assign pandas dataframe column dtypes
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Since 0.17, you have to use the explicit conversions:
pd.to_datetime, pd.to_timedelta and pd.to_numeric
(As mentioned below, no more "magic", convert_objects has been deprecated in 0.17)
df = pd.DataFrame({'x': {0: 'a', 1: 'b'}, 'y': {0: '1', 1: '2'}, 'z': {0: '2018-05...
Is there a pattern for initializing objects created via a DI container
...r this situation, you need to revisit your design and determine if you are mixing your stateful/data objects with your pure services. In most (not all) cases, you will want to keep these two types of objects separate.
If you do need a context-specific parameter passed in the constructor, one optio...
RESTful API methods; HEAD & OPTIONS
I'm writing a RESTful API module for an application in PHP, and I'm a bit mixed on the verbs HEAD and OPTIONS .
3 Answer...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
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window.close and self.close do not close the window in Chrome
...lly-nilly. This is a security feature, introduced a while ago, to stop various malicious exploits and annoyances.
From the latest working spec for window.close():
The close() method on Window objects should, if all the following conditions are met, close the browsing context A:
The cor...
How to read the Stock CPU Usage data
On Ice Cream Sandwich, an option in the Developer Options is "Show CPU Usage", which adds an overlay on the screen (see screenshot below).
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When is a language considered a scripting language? [closed]
...ional, strict or lazy. Its implementations can be interpreted, compiled or mixed.
For example, Mondrian is a strictly strongly statically typed lazy functional scripting language with a compiled implementation.
However, all of this is moot, because the way the term scripting language is really use...
What does “use strict” do in JavaScript, and what is the reasoning behind it?
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})();
// Non-strict code...
Which might be helpful if you have to mix old and new code ;-)
So, I suppose it's a bit like the "use strict" you can use in Perl (hence the name?): it helps you make fewer errors, by detecting more things that could lead to breakages.
Strict mode is now suppor...