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How to write an inline IF statement in JavaScript?
...developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Conditional_Operator
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Is there a way to iterate over a slice in reverse in Go?
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How about use defer:
s := []int{5, 4, 3, 2, 1}
for i, _ := range s {
defer fmt.Println(s[i])
}
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Is there a better Windows Console Window? [closed]
...lopers. It seems like every time I think "well, it would be nice if it did _____", there's an option for it. Major thanks for fixing such a broken console experience in Windows!
– drharris
Jun 19 '12 at 13:51
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How to find out how many lines of code there are in an Xcode project?
...loc-1.56.pl' command. If your source code is located in directory 'project_code' You just need to run following command.
– JZ.
Sep 26 '14 at 3:41
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Convert integer to string Jinja
... my case I've got integers as strings coming from JSON content files: "hero_title_img_w": "111" and "hero_title_img2_w": "222". Then I'm adding them in .NJK file: {{ hero_title_img_w|int + hero_title_img2_w|int }} to use as image's width attribute. Hope it helps somebody one day.
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What is the difference between map and flatMap and a good use case for each?
...th N.
For example, it maps from two lines into two line-lengths:
rdd.map(_.length).collect
res1: Array[Int] = Array(13, 16)
But flatMap (loosely speaking) transforms an RDD of length N into a collection of N collections, then flattens these into a single RDD of results.
rdd.flatMap(_.spli...
How can I find the last element in a List?
... The delegate can be replaced with a lambda expression: myList.FindLast(_unused_variable_name => true); This will work regardless of type. A shorter version is myList.FindLast(_ => true);, but I find just the underscore (or any other single character identifier) can be a bit confusing at ti...
How do I write the 'cd' command in a makefile?
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It is actually executing the command, changing the directory to some_directory, however, this is performed in a sub-process shell, and affects neither make nor the shell you're working from.
If you're looking to perform more tasks within some_directory, you need to add a semi-colon and appen...
Reading header data in Ruby on Rails
...ll working):
request.headers["Cookie"]
New way:
request.headers["HTTP_COOKIE"]
To get a Hash with all headers of the request.
request.headers
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What is the argument for printf that formats a long?
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printf("%ld", ULONG_MAX) outputs the value as -1. Should be printf("%lu", ULONG_MAX) for unsigned long as described by @Blorgbeard below.
– jammus
Nov 12 '11 at 16:03
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