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No ConcurrentList in .Net 4.0?
I was thrilled to see the new System.Collections.Concurrent namespace in .Net 4.0, quite nice! I've seen ConcurrentDictionary , ConcurrentQueue , ConcurrentStack , ConcurrentBag and BlockingCollection .
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How do I make a batch file terminate upon encountering an error?
...rs. How do I make it terminate immediately if one of the calls returns an error code of any level?
9 Answers
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How to use Elasticsearch with MongoDB?
...sion" : {
"number" : "1.1.2",
"build_hash" : "e511f7b28b77c4d99175905fac65bffbf4c80cf7",
"build_timestamp" : "2014-05-22T12:27:39Z",
"build_snapshot" : false,
"lucene_version" : "4.7"
},
"tagline" : "You Know, for Search"
}
Now install the Elasticsearch plugins so it can pl...
npm install errors with Error: ENOENT, chmod
...ed. Every time I try to install, either from npm or the folder, I get this error.
29 Answers
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how to permit an array with strong parameters
...s must be at the end of the attributes list, otherwise you'll get a syntax error.)
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Where do I find the current C or C++ standard documents?
...n the standard (less useful - it contains several dangerous and misleading errors).
The C99 and C++03 standards are available in book form from Wiley and the BSI (British Standards Institute):
C++03 Standard on Amazon
C99 Standard on Amazon
Standards committee draft versions (free)
The working...
AssertContains on strings in jUnit
...rest assertion
assertThat(person.getName(), containsString("myName"));
// Error Message
java.lang.AssertionError:
Expected: a string containing "myName"
got: "some other name"
You can optional add an even more detail error message.
// Hamcrest assertion with custom error message
assertThat(...
How to append rows to an R data frame
I have looked around StackOverflow, but I cannot find a solution specific to my problem, which involves appending rows to an R data frame.
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String concatenation: concat() vs “+” operator
...ts:
Benchmark Mode Cnt Score Error Units
StringConcatenation.concat_2 thrpt 50 24908871.258 ± 1011269.986 ops/s
StringConcatenation.concat_3 thrpt 50 14228193.918 ± 466892.616 ops/s
StringConcatenation.concat_4 thrpt ...
How to save picture to iPhone photo library?
...tOrientation)[image imageOrientation] completionBlock:^(NSURL *assetURL, NSError *error){
if (error) {
// TODO: error handling
} else {
// TODO: success handling
}
}];
[library release];
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