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Mongoose's find method with $or condition does not work properly

...tId( (param.length < 12) ? "123456789012" : param ); // You should make string 'param' as ObjectId type. To avoid exception, // the 'param' must consist of more than 12 characters. User.find( { $or:[ {'_id':objId}, {'name':param}, {'nickname':param} ]}, function(err,docs){ if(!err) res.s...
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Visual Studio popup: “the operation could not be completed”

...ngs can happen (at design time some properties dont works, your connection string probably isn't populated...) As a last resort... Try to install any VS update Try to disable VS extensions (if you installed any...) Try to update any external DLL/Control referenced in your solution Try to updat...
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How to calculate the CPU usage of a process by PID in Linux from C?

...s swapped out. state %c One character from the string "RSDZTW" where R is runâ ning, S is sleeping in an interruptible wait, D is waitâ ing in uninterruptible disk sleep, Z is zombie, T is traced or stopped (on...
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PSQLException: current transaction is aborted, commands ignored until end of transaction block

... //The above line throws an exception because we try to cram //A string into an Int. I Expect this, what happens is we gobble //the Exception and ignore it like nothing is wrong. //But remember, we are in a TRANSACTION! so keep reading. System.out.println("state...
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How do I check if an object has a specific property in JavaScript?

...me other answers present techniques that are more broad (work with arrays, strings etc.) – Danubian Sailor Aug 27 '14 at 12:22 ...
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What are the default access modifiers in C#?

...restricted than the declared accessibility of the property itself: public string Name { get { ... } private set { ... } // This isn't the default, have to do it explicitly } This is what the C# 3.0 specification has to say (section 3.5.1): Depending on the context in which a membe...
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Sass calculate percent minus px

... values are in variables, you may need to use interpolation turn them into strings (otherwise Sass just tries to perform arithmetic): $a: 25%; $b: 5px; .foo { width: calc(#{$a} - #{$b}); } share | ...
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How to configure encoding in Maven?

...tputEncoding> Always set encoding explicitly, when work with files, strings, IO in your code. If you do not follow this rule, your application depend on the environment. The -Dfile.encoding=UTF8 exactly is responsible for run-time environment configuration, but we should not depend on it. If ...
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AngularJS - convert dates in controller

...item.date = $filter('date')(item.date, "dd/MM/yyyy"); // for conversion to string http://docs.angularjs.org/api/ng.filter:date But if you are using HTML5 type="date" then the ISO format yyyy-MM-dd MUST be used. item.dateAsString = $filter('date')(item.date, "yyyy-MM-dd"); // for type="date" bin...
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How to debug stream().map(…) with lambda expressions?

... static int timesTwo(int n) { return n * 2; } public static void main(String[] args) { List<Integer> naturals = Arrays.asList(3247,92837,123); List<Integer> result = naturals.stream() .map(DebugLambda::timesTwo) .collect(toList()); } This mi...