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Which is generally best to use — StringComparison.OrdinalIgnoreCase or StringComparison.InvariantCul
...ion.
From MSDN's "New Recommendations for Using Strings in Microsoft .NET 2.0"
Summary: Code owners previously using the InvariantCulture for string comparison, casing, and sorting should strongly consider using a new set of String overloads in Microsoft .NET 2.0. Specifically, data that is des...
Is it safe to delete a NULL pointer?
...
269
delete performs the check anyway, so checking it on your side adds overhead and looks uglier. ...
How do I do a multi-line string in node.js?
...${num} is ${num + num}.`);
which will print "the result of 10 plus 10 is 20." to the console.
Older versions of node
Older version of node can use a "line continuation" character allowing you to write multi-line strings such as:
'this is a \
single string'
which evaluates to: 'this is a singl...
Cast Double to Integer in Java
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edited Sep 29 '18 at 21:38
Jack Giffin
2,55622 gold badges2222 silver badges3636 bronze badges
...
What is this 'Lambda' everyone keeps speaking of?
...hat perform much more useful tasks. For example filter:
var numbers = [1, 2, 3, 4];
var even = [];
// keep all even numbers from above array
for (var i=0; i<numbers.length; i++) {
if (numbers[i] % 2 === 0) {
even.push(numbers[i]);
}
}
alert(even);
// Using the filter method...
Is an array name a pointer?
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262
An array is an array and a pointer is a pointer, but in most cases array names are converted t...
Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
I am trying to create 2 versions of an Android app (free/paid). I have an Android Library that contains files common to both. I created a new Android project and am trying to use the Library but get the error below:
...
How can I check whether an array is null / empty?
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218
There's a key difference between a null array and an empty array. This is a test for null.
in...
How can I use getSystemService in a non-activity class (LocationManager)?
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286
You need to pass your context to your fyl class..
One solution is make a constructor like this...