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How to sort a collection by date in MongoDB?
I am using MongoDB with Node.JS. I have a collection which contains a date and other rows. The date is a JavaScript Date object.
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How to calculate dp from pixels in android programmatically [duplicate]
I want to calculate dp from px programmatically. How to do it?
I get resolution from:
4 Answers
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Can linux cat command be used for writing text to file?
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On linux Kernel 2.6.32 centos 6 I had to omit the > characters to get expected output.
– ecoe
Jun 4 '18 at 16:45
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np.mean() vs np.average() in Python NumPy?
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np.average takes an optional weight parameter. If it is not supplied they are equivalent. Take a look at the source code: Mean, Average
np.mean:
try:
mean = a.mean
except AttributeError:
return _wrapit(a, 'mean', axis, dtype, out)
return mean(axis, dtype, out)
n...
Prevent the keyboard from displaying on activity start
I have an activity with an Edit Text input. When the activity is initialized, the Android keyboard is shown. How can the keyboard remain hidden until the user focuses the input?
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Coffeescript — How to create a self-initiating anonymous function?
How to write this in coffeescript?
8 Answers
8
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How do I load an org.w3c.dom.Document from XML in a string?
... works for me in Java 1.5 - I stripped out specific exceptions for readability.
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import org.w3c.dom.Document;
import java.io.ByteArrayInputStream;
public Document loadXMLFromString(String xml) throws Exceptio...
NoSql Crash Course/Tutorial [closed]
I've seen NoSQL pop up quite a bit on SO and I have a solid understanding of why you would use it (from here, Wikipedia, etc). This could be due to the lack of concrete and uniform definition of what it is (more of a paradigm than concrete implementation), but I'm struggling to wrap my head aroun...
Setting UIButton image results in blue button in iOS 7
...this programmatically, add this line to the viewDidLoad:
[UIButton buttonWithType:UIButtonTypeSystem];
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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！
...-Dfile.encoding=UTF-8"
May 08, 2025 9:40:04 AM com.google.appengine.init.AppEngineWebXmlInitialParse <init>
信息: appengine runtime jars built on 2024-08-10T22:53:40-06:00 from commit dd4268f5f2cfcfe0ba6a84fff2b6c08cfe5ba548, version 2.0.30-SNAPSHOT
Exception in thread "main" ...