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String replacement in Objective-C
...
You could use the method
- (NSString *)stringByReplacingOccurrencesOfString:(NSString *)target
withString:(NSString *)replacement
...to get a new string with a substring replaced (See NSString documentation for others)
Example...
What's the difference between Sender, From and Return-Path?
...tem(s) responsible for the writing of the
message. Defined as standard by RFC 822.
2.1.3. Header Field: Sender
Description:
Mailbox of message sender
[...]
Related information:
Specifies the mailbox of the agent responsible for the actual
transmission of the message. Defined ...
When do I need to use AtomicBoolean in Java?
...lize();
initialized = true;
}
This is not thread-safe. You can fix it by using AtomicBoolean:
if (atomicInitialized.compareAndSet(false, true)) {
initialize();
}
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Difference between `data` and `newtype` in Haskell
...other one, a newtype would be the way to go.
– mightybyte
May 6 '11 at 12:59
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iOS - Dismiss keyboard when touching outside of UITextField
...o select other types of items in your view. Your taps will be intercepted by the gestureRecognizer.
– HalR
Nov 16 '16 at 23:59
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NSObject +load and +initialize - What do they do?
...ze or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-)
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Remote Connections Mysql Ubuntu
... the localhost and '%' as in.
CREATE USER 'myuser'@'localhost' IDENTIFIED BY 'mypass';
CREATE USER 'myuser'@'%' IDENTIFIED BY 'mypass';
then,
GRANT ALL ON *.* TO 'myuser'@'localhost';
GRANT ALL ON *.* TO 'myuser'@'%';
and finally,
FLUSH PRIVILEGES;
EXIT;
If you don't have the same user cr...
What's the difference between interface and @interface in java?
... @Bittercoder the docs do mention: "keyword interface is preceded by the at sign (@) (@ = AT, as in annotation type)". Thats all the rationale I can find w.r.t. naming.
– Shaishav
Sep 6 '17 at 3:41
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Maintain git repo inside another git repo
...ompressed files and added all the files to that repo. It is still ignored by the parent repo but I can track changes inside the sub-repo. Recommended or not, this solution is key for certain situations like this.
– BrianVPS
May 4 '15 at 14:21
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How can I make an svg scale with its parent container?
... points="0,10 20,10 10,0" />
</svg>
It will render as a 10px by 20px triangle:
Now, if you set only the width and height, that will change the size of the SVG element, but not scale the triangle:
<svg width=100 height=50>
<polygon fill=red stroke-width=0
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