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What is the colon operator in Ruby?
..." # false
:foo.equal? :foo # true
This makes comparing two symbols really fast (since only a pointer comparison is involved, as opposed to comparing all the characters like you would in a string), plus you won't have a zillion copies of the same symbol floating about.
Also, unlike strings, sy...
Force page scroll position to top at page refresh in HTML
... This is the correct answer. The jQuery solution does not work in all cases.
– Harry Stevens
Dec 5 '17 at 18:52
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Mockito. Verify method arguments
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Important: Call verify()/capture() after using the mock. I was thinking it has to be "installed" before...
– Daniel Alder
Feb 21 '18 at 16:02
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How to disable Golang unused import error
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Adding an underscore (_) before a package name will ignore the unused import error.
Here is an example of how you could use it:
import (
"log"
"database/sql"
_ "github.com/go-sql-driver/mysql"
)
To import a package solely for i...
Multiline strings in VB.NET
...ring is called implicit line continuation. It has to do with removing the _ from a multi-line statement or expression. This does remove the need to terminate a multiline string with _ but there is still no mult-line string literal in VB.
Example for multiline string
Visual Studio 2008
Dim x = "...
How to remove item from array by value? [duplicate]
...is can be a global function or a method of a custom object, if you aren't allowed to add to native prototypes. It removes all of the items from the array that match any of the arguments.
Array.prototype.remove = function() {
var what, a = arguments, L = a.length, ax;
while (L && th...
How to resolve merge conflicts in Git?
... edited Jun 10 '19 at 8:10
Script47
12.4k44 gold badges3636 silver badges5858 bronze badges
answered Aug 4 '10 at 17:04
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How do you find out the type of an object (in Swift)?
... adding as! AnyClass after the type but then program crashes with some "EXC_BAD_INSTRUCTION" and other jiberrish that I cannot decipher.
– LightningStryk
Mar 10 '17 at 0:36
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Can I use a min-height for table, tr or td?
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It isn't nice at all!
– Ahmad
Aug 9 at 10:16
add a comment
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How to launch Safari and open URL from iOS app
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@g_fred. Why would he not be able to include a Swift version?
– ericgu
Mar 24 '15 at 13:21
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