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MySQL Cannot Add Foreign Key Constraint
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Measure elapsed time in Swift
...erence in nano seconds (UInt64)
let timeInterval = Double(nanoTime) / 1_000_000_000 // Technically could overflow for long running tests
print("Time to evaluate problem \(problemNumber): \(timeInterval) seconds")
return theAnswer
}
Old answer
For Swift 1 and 2, my function uses NSDate...
Using ConfigurationManager to load config from an arbitrary location
I'm developing a data access component that will be used in a website that contains a mix of classic ASP and ASP.NET pages, and need a good way to manage its configuration settings.
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How to get the build/version number of your Android application?
... If you only want to get the application's version this is two compicated. You should use BuildConfig.VERSION_** as suggested here.
– Timo Bähr
Jun 20 '16 at 12:23
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What is the correct way to start a mongod service on linux / OS X?
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With recent builds of mongodb community edition, this is straightforward.
When you install via brew, it tells you what exactly to do. There is no need to create a new launch control file.
$ brew install mongodb
==> Downloading https://homebrew.bintra...
Set margins in a LinearLayout programmatically
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Here is a little code to accomplish it:
LinearLayout ll = new LinearLayout(this);
ll.setOrientation(LinearLayout.VERTICAL);
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT, LinearLay...
Android: checkbox listener
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You can do this:
satView.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {
}
}
);
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How to append text to an existing file in Java?
...catch(IOException ex){ ex.printStackTrace(); }
– php_coder_3809625
Aug 18 '16 at 12:12
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How can I list ALL DNS records?
... a list of all records at that level but not below.
# try this
dig google.com any
This may return A records, TXT records, NS records, MX records, etc if the domain name is exactly "google.com". However, it will not return child records (e.g., www.google.com). More precisely, you MAY get these rec...
Determining if a variable is within range?
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You could use
if (1..10).cover? i then thing_1
elsif (11..20).cover? i then thing_2
and according to this benchmark in Fast Ruby is faster than include?
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