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Random record from MongoDB
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Starting with the 3.2 release of MongoDB, you can get N random docs from a collection using the $sample aggregation pipeline operator:
// Get one random document from the mycoll collection.
db.mycoll.aggregate([{ $sample: { size: 1 } ...
typedef fixed length array
I have to define a 24-bit data type.I am using char[3] to represent the type. Can I typedef char[3] to type24 ? I tried it in a code sample. I put typedef char[3] type24; in my header file. The compiler did not complain about it. But when I defined a function void foo(type24 val) {} in my C...
Why do we need the “event” keyword while defining events?
... the "event" keyword while defining events, when we can do the same thing without using "event" keyword, just by using the delegates.
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
I'm working with some example java code for making md5 hashes. One part converts the results from bytes to a string of hex digits:
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Access restriction on class due to restriction on required library rt.jar?
...ompile Java 1.4 code that was created by IBM's WSDL2Java on Java5 without recreating the stubs and saw this error in Eclipse .
I'm under the assumption that the stubs generated should just compile as long as the runtime jars are available (they are).
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REST API - why use PUT DELETE POST GET?
... PUT DELETE POST GET .
We would create for example index.php and write API this way:
9 Answers
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AngularJS - Create a directive that uses ng-model
I am trying to create a directive that would create an input field with the same ng-model as the element that creates the directive.
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java.lang.UnsupportedClassVersionError: Bad version number in .class file?
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I've learned that error messages like this are usually right. When it couldn't POSSIBLY (in your mind) be what the error being reported says, you go hunting for a problem in another area...only to find out hours later that the original error message was indeed right.
Since you're using Ecli...
JavaScript naming conventions [closed]
...follow
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edited Dec 25 '17 at 11:44
Benjamin R
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answ...
Objective-C class -> string like: [NSArray className] -> @“NSArray”
I am trying to get a string name of a class from the class object itself.
3 Answers
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