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How do I perform the SQL Join equivalent in MongoDB?
...se Mongo is not a relational database, and the devs are being careful to recommend specific use cases for $lookup, but at least as of 3.2 doing join is now possible with MongoDB.
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Explanation of the UML arrows
...us not be deleted as part of the composite object.
– www.admiraalit.nl
Jan 26 '16 at 10:43
2
@aGe...
Java, How do I get current index/key in “for each” loop [duplicate]
...g with an array. It would be really cool if there was a keyword that would compile to a simple "ILOAD 2". If it's a List, it compiles to an iterator, which won't be able to give you an index.
– Bjørn Vårdal
Aug 2 '17 at 0:25
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Android Fragment onClick button Method
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I am a bit surprised by the comments above. No offense, but just saying "it doesn't work" without posting any details is very unprofessional... And as for me, "it just works".
– zzheng
Dec 13 '15 at 10:19
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What is a NullPointerException, and how do I fix it?
... the object you get a NullPointerException. In the most trivial cases, the compiler will catch the problem and let you know that "num may not have been initialized," but sometimes you may write code that does not directly create the object.
For instance, you may have a method as follows:
public void...
How to use Checkbox inside Select Option
...rmation:
CSS positioning
How to overlay one div over another div
http://www.w3schools.com/css/css_positioning.asp
CSS display property
http://www.w3schools.com/cssref/pr_class_display.asp
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MbUnit under Linux, used within an F# project?
... from here and see if you get different results with this version: https://www.nuget.org/packages/GallioBundle/3.4.14. See this post: https://stackoverflow.com/a/21185517/9798633
2) Make sure your tests are compiled with the same version of MbUnit as was distributed with Gallio, as discussed here: ...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...图片消息的：
<?php
$text = 'hello, world.';
$image = 'http://www.foo.com/bar.gif';
$oauth = OAuth(
'YOUR_CONSUMER_KEY',
'YOUR_CONSUMER_SECRET',
OAUTH_SIG_METHOD_HMACSHA1,
OAUTH_AUTH_TYPE_AUTHORIZATION
);
$oauth->setToken(
'YOUR_ACCESS_TOKEN',
'YOUR_...
How to check if a String contains another String in a case insensitive manner in Java?
...ern with the CASE_INSENSITIVE flag for case insensitive matching:
Pattern.compile(Pattern.quote(wantedStr), Pattern.CASE_INSENSITIVE).matcher(source).find();
EDIT: If s2 contains regex special characters (of which there are many) it's important to quote it first. I've corrected my answer since i...
How to determine whether code is running in DEBUG / RELEASE build?
...
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