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What does the Ellipsis object do?
While idly surfing the namespace I noticed an odd looking object called Ellipsis , it does not seem to be or do anything special, but it's a globally available builtin.
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Correct way to add external jars (lib/*.jar) to an IntelliJ IDEA project
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Steps for adding external jars in IntelliJ IDEA:
Click File from the toolbar
Select Project Structure option (CTRL + SHIFT + ALT + S on Windows/Linux, ⌘ + ; on Mac OS X)
Select Modules at the left panel
Select Dependencies tab
Select + icon
Select 1 JARs or directories option...
JavaScript style for optional callbacks
... have some functions which occasionally (not always) will receive a callback and run it. Is checking if the callback is defined/function a good style or is there a better way?
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PHP shell_exec() vs exec()
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Daniel A. WhiteDaniel A. White
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Sort a text file by line length including spaces
I have a CSV file that looks like this
11 Answers
11
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How to use pull to refresh in Swift?
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Pull to refresh is built in iOS. You could do this in swift like
var refreshControl = UIRefreshControl()
override func viewDidLoad() {
super.viewDidLoad()
refreshControl.attributedTitle = NSAttributedString(string: "Pull to refresh")
refreshControl.addTarget(self, action: ...
Using different Web.config in development and production environment
...on.
It is also possible, albeit officially unsupported, to apply the same kind of transformation to an non web application app.config file. See Phil Bolduc blog concerning how to modify your project file to add a new task to msbuild.
This is a long withstanding request on the Visual Studio Uservoi...
Merge / convert multiple PDF files into one PDF
...ler it has a higher chance to be installed, usage is also simpler than pdftk:
pdfunite in-1.pdf in-2.pdf in-n.pdf out.pdf
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Difference between HBase and Hadoop/HDFS
This is kind of naive question but I am new to NoSQL paradigm and don't know much about it. So if somebody can help me clearly understand difference between the HBase and Hadoop or if give some pointers which might help me understand the difference.
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Test if string is a guid without throwing exceptions?
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Performance Benchmarks
Catch exception:
10,000 good: 63,668 ticks
10,000 bad: 6,435,609 ticks
Regex Pre-Screen:
10,000 good: 637,633 ticks
10,000 bad: 717,894 ticks
COM Interop CLSIDFromString
10,000 good: 126,120 ti...