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Speed up the loop operation in R
... The data.frame has roughly 850K rows. My PC is still working (about 10h now) and I have no idea about the runtime.
10 An...
How to find where gem files are installed
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After installing the gems, if you want to know where a particular gem is. Try typing:
gem list
You will be able to see the list of gems you have installed. Now use bundle show and name the gem you want to know the path for, like this:
bundle show <gemName&g...
Declaring variables inside loops, good practice or bad practice?
... be mitigated using the -Wshadow warning instruction on GCC)
The compiler knows that the variable scope is limited to inside the loop, and therefore will issue a proper error message if the variable is by mistake referenced elsewhere.
Last but not least, some dedicated optimization can be performed ...
Git: cannot checkout branch - error: pathspec '…' did not match any file(s) known to git
...ave found & upvoted this answer (which is completely trivial and well-known to any git user with more than two days experience) doesn't mean the OP should accept it.
– Michael Johnston
Jun 15 '16 at 19:11
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MySQL “WITH” clause
...l#recursive_queries
Informix 14.10 and later:
https://www.ibm.com/support/knowledgecenter/SSGU8G_14.1.0/com.ibm.sqls.doc/ids_sqs_with.htm
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Generate pdf from HTML in div using Javascript
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No, as far as I know, classes are no valid selectors at the moment as stated in their examples: "we support special element handlers. Register them with jQuery-style ID selector for either ID or node name. ("#iAmID", "div", "span" etc.) There...
How to handle both a single item and an array for the same property using JSON.net
...g> and mark it with a [JsonConverter] attribute so that JSON.Net will know to use the custom converter for that property. I would also recommend using [JsonProperty] attributes so that the member properties can be given meaningful names independent of what is defined in the JSON.
class Item
{
...
GCM with PHP (Google Cloud Messaging)
...t i dont receive any message on the phone. I want to debug it, but i dont know why my $result is always empty...
– Bertrand
Jul 5 '12 at 11:49
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jQuery: Return data after ajax call success [duplicate]
...#test-arrow_functions
UPDATE (2017)
There is an even newer syntax right now called async functions with a new await keyword that instead of this code:
functionReturningPromise()
.then(data => console.log('Data:', data))
.catch(error => console.log('Error:', error));
lets you writ...
Difference between LoadFile and LoadFrom with .NET Assemblies?
...embly2 = Assembly.LoadFile(path2);
// These point to different assemblies now, so this is false
Console.WriteLine(assembly1.CodeBase == assembly2.CodeBase);
Edit: to answer the questions you raised in your revised question, you definitely want to read Suzanne Cook on Assembly Identity.
There a...
