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How do I check if a string contains another string in Swift?
...String is a collection of Character values, it wasn't like this in Swift 2 and 3, so you can use this more concise code1:
let string = "hello Swift"
if string.contains("Swift") {
print("exists")
}
Swift 3.0+
var string = "hello Swift"
if string.range(of:"Swift") != nil {
print("exists"...
How to insert newline in string literal?
...line" + Environment.NewLine + "second line";
String interpolation (in C#6 and above):
string x = $"first line{Environment.NewLine}second line";
You could also use \n everywhere, and replace:
string x = "first line\nsecond line\nthird line".Replace("\n",
...
Fragment transaction animation: slide in and slide out
...animate transaction between fragments. I've used this method for animation and it works:
5 Answers
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Mysql: Select rows from a table that are not in another
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If you have 300 columns as you mentioned in another comment, and you want to compare on all columns (assuming the columns are all the same name), you can use a NATURAL LEFT JOIN to implicitly join on all matching column names between the two tables so that you don't have to tediously t...
creating a strikethrough text?
Can I create a strikethrough text in Android, I mean adding a special value in the TextView tag that can make this possible?
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How do I create a new Swift project without using Storyboards?
...n't allow to disable Storyboards. You can only select Swift or Objective-C and to use or not Core Data.
13 Answers
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Are querystring parameters secure in HTTPS (HTTP + SSL)? [duplicate]
...t-lived token, typically valid for either one hour or one month (for oauth and similar services) - but if there were a breach of that magnitude, they'd just invalidate ALL outstanding tokens. Everyone has to re-authenticate, using their (presumably) still secure passwords.
– Da...
How to undo another user’s checkout in TFS?
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There are at least 2 different ways to do this:
Command Line
There is a command-line utility called Tf.exe that comes with Team Explorer. Find the documentation here. It can be accessed by launching a Visual Studio Command Prompt window. The syntax of the command is:
tf undo...
WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a Scrip
...word count into my textbox.
However after adding the the javascript codes and the html codes. I receive the error as stated above.
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In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
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I just tested and this doesn't work in IE 8... IE 9, FireFox, and Chrome work correctly. Here's a good link to more symbols: danshort.com/HTMLentities/index.php?w=dingb
– Nathan Prather
Aug 26 '12 at ...