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How do I check if a string contains another string in Objective-C?
...struct, and the documentation says that it returns the struct {NSNotFound, 0} if the "haystack" does not contain the "needle".
And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device).
NSString *string = @"hello bla blah"...
How to save a Python interactive session?
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20 Answers
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How to get a Docker container's IP address from the host
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+50
The --format option of inspect comes to the rescue.
Modern Docker client syntax is:
docker inspect -f '{{range .NetworkSettings.Netw...
How to assert two list contain the same elements in Python? [duplicate]
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edited Aug 10 '18 at 16:44
kmad1729
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Same-named attributes in attrs.xml for custom view
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410
Solution: Simply extract common attributes from both views and add them directly as children of ...
Error: CUICatalog: Invalid asset name supplied: (null), or invalid scale factor : 2.000000
...nt for [UIImage imageNamed:]
Add $arg3 == nil condition on Simulator, $r0 == nil condition on 32-bit iPhone, or $x2 == nil on 64-bit iPhone.
Run your application and see where debugger will stop.
P.S. Keep in mind this also happens if image name is empty string. You can check this by adding [(N...
How to create Java gradle project
...ally?
– verystrongjoe
May 15 '15 at 0:26
One importaint thing. You must have Gradle version with init plugin included....
JS: iterating over result of getElementsByClassName using Array.forEach
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403
No. As specified in DOM4, it's an HTMLCollection (in modern browsers, at least. Older browsers ...
Is there a difference between copy initialization and direct initialization?
...ructor is explicit, then the first one will fail. Read 8.6/14
double b1 = 0.5;
double b2(0.5);
This is doing the same because it's a built-in type (this means not a class type here). Read 8.6/14.
A c1;
A c2 = A();
A c3(A());
This is not doing the same. The first default-initializes if A is a ...
How to echo shell commands as they are executed
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1103
set -x or set -o xtrace expands variables and prints a little + sign before the line.
set -v o...