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What does the “map” method do in Ruby?
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0..param_count means "up to and including param_count".
0...param_count means "up to, but not including param_count".
Range#map does not return an Enumerable, it actually maps it to an array. It's the same as Range#to_a.
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Insert Update stored proc on SQL Server
...locks are to be taken and held until the transaction completes." Does this mean the serializable hint is superfluous as the update lock will be held for the remainder of the transaction anyway, or have I misunderstood something?
– Dan Def
Jan 23 '17 at 17:08
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Why would a JavaScript variable start with a dollar sign? [duplicate]
... names. Certain frameworks and libraries have their own conventions on the meaning of the symbol, noted in other answers here.
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Change bundle identifier in Xcode when submitting my first app in IOS
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I mean, if I open Mrev.xcodeproj, I made a typo above and said xcworkspace instead of .xcodeproj
– bibscy
Apr 2 '17 at 17:59
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How to access the GET parameters after “?” in Express?
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@AnandRaj: what do you mean with: how to validate "id"? What kind of validation do you want? BTW, you can get the value of id in your function like this: var sampleId = req.params.id;.
– Jochem Schulenklopper
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How do I get my Maven Integration tests to run
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If it runs after package phase, that means I should put all my IT java source code under src/main/java instead of src/test/java right?
– Bruce Sun
Dec 29 '16 at 7:54
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Can an html element have multiple ids?
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Not me. :-) And I'm not sure what you mean about breaking validation? The ids of the div and span are differing (enclosing vs. enclosed) so there is no issue with duplicate ids. Maybe some people aren't reading very closely.
– tvanfosson
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Multiple github accounts on the same computer?
...ame github.com
User git
IdentityFile ~/.ssh/github-otheruser
But that means that now any existing repo with a github.com remote will no longer work with this identity file. But don't worry, it's a simple fix.
To update any existing repo to use your new SSH configuration, simply open the repo's...
How can I get device ID for Admob
...evices, but if you are testing on a plethora of devices, you may need some means of prorammatically adding the running device's device ID.
The following code will make the current running device into an adview test device programmatically
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if(YourApplication.debugEnabled(this)) //debug flag...
What are fail-safe & fail-fast Iterators in Java
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What is the difference between them ...
"Fail-safe" (in engineering) means that something fails in a way that causes no or minimal damage. Strictly speaking, there is no such thing in Java as a fail-safe iterator. If an iterator fails (in the normal sense of "fail"), you can expect damage to...