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Detecting if an NSString contains…?
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In iOS8 you can now use:
BOOL containsString = [@"Here is my string." containsString:@"is"];
There's an interesting post on how to "retrofit" it to iOS7 here:
http://petersteinberger.com/blog/2014/retrofitting-containsstring-on-ios-7/
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Java equivalents of C# String.Format() and String.Join()
I know this is a bit of a newbie question, but are there equivalents to C#'s string operations in Java?
16 Answers
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nullable object must have a value
...dea to blindly call .Value on a nullable type, unless you have some prior knowledge that that variable MUST contain a value (i.e. through a .HasValue check).
EDIT
Here's the code for DateTimeExtended that does not throw an exception:
class DateTimeExtended
{
public DateTime? MyDateTime;
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Why would you use an ivar?
...s have memorized how to call a hidden accessor dynamically (as long as we know the name…). Meanwhile, most of us have not memorized how to properly access ivars which aren't visible (beyond KVC). The class continuation helps, but it does introduce vulnerabilities.
This workaround's obvious:
if ([o...
In android studio,cannot load 2 facets-unknown facet type:android and android-gradle
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Do you know if there is an alternative method where you can keep your previous settings? I'm planning on looking this up later, just wondering if you know off hand.
– fawaad
Mar 30 '18 at 20:43
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“document.getElementByClass is not a function”
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There seems to be extensive (universal?) support now for document.getElementsByClassName caniuse.com/#feat=getelementsbyclassname
– Matt Evans
Jan 24 '18 at 9:04
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npm WARN package.json: No repository field
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NPM 2.14 now does print an error when repository is empty and private is set to true.
– Blaise
Oct 8 '15 at 9:01
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You must enable the openssl extension to download files via https
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this line was commented out completely and now it works
– Brian Dillingham
Nov 25 '14 at 17:19
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jQuery: Count number of list elements?
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Try:
$("#mylist li").length
Just curious: why do you need to know the size? Can't you just use:
$("#mylist").append("<li>New list item</li>");
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nodejs how to read keystrokes from stdin
...And i am pretty sure openStdin() has either been removed or is deprecated. Now, you can access stdin as process.stdin
– Élektra
May 5 '15 at 14:49
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