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Which is faster: Stack allocation or Heap allocation
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Declaring and initializing variables within Java switches
...he right in the local variable declaration statement.
In your case, case 2 is in the same block as case 1 and appears after it, even though case 1 will never execute... so the local variable is in scope and available for writing despite you logically never "executing" the declaration. (A declarati...
Mongodb Explain for Aggregation framework
...ve you the desired results (documentation here).
For older versions >= 2.6, you will need to use the explain option for aggregation pipeline operations
explain:true
db.collection.aggregate([
{ $project : { "Tags._id" : 1 }},
{ $unwind : "$Tags" },
{ $match: {$or: [{"Tags._id":"tag1...
How does the following LINQ statement work?
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235
The output is 2,4,6,8 because of deferred execution.
The query is actually executed when t...
How to add 30 minutes to a JavaScript Date object?
...areful with Vanilla Javascript. Dates Are Hard!
You may think you can add 24 hours to a date to get tomorrow's date, right? Wrong!
addMinutes(myDate, 60*24); //DO NOT DO THIS
It turns out, if the user observes daylight saving time, a day is not necessarily 24 hours long. There is one day a year ...
Get JavaScript object from array of objects by value of property [duplicate]
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1243
Filter array of objects, which property matches value, returns array:
var result = jsObjects....
When should you NOT use a Rules Engine? [closed]
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community wiki
2 revs, 2 users 86%duffymo
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'id' is a bad variable name in Python
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edited May 8 '12 at 14:17
phwd
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UIScrollView Scrollable Content Size Ambiguity
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CSV API for Java [closed]
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Apache Commons CSV
Check out Apache Common CSV.
This library reads and writes several variatio...