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Trim spaces from end of a NSString
... answered Apr 22 '11 at 14:15
DanDan
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What is SOA “in plain english”? [closed]
...sh what is SOA all about ? I hear SOA here, SOA there but I cannot understand exacly what it is and what is used for. Was it some simple concept and later evolved into something huge or what?
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Can I position an element fixed relative to parent? [duplicate]
...provide answers to both possible questions. Note that your existing title (and original post) ask a question different than what you seek in your edit and subsequent comment.
To position an element "fixed" relative to a parent element, you want position:absolute on the child element, and any posi...
How can I split and parse a string in Python?
...a fact that the string contains an underscore, you can even unpack the LHS and RHS into separate variables:
In [8]: lhs, rhs = "2.7.0_bf4fda703454".split("_", 1)
In [9]: lhs
Out[9]: '2.7.0'
In [10]: rhs
Out[10]: 'bf4fda703454'
An alternative is to use partition(). The usage is similar to the la...
Objective-C and Swift URL encoding
...cape the characters you want is a little more work.
Example code
iOS7 and above:
NSString *unescaped = @"http://www";
NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]];
NSLog(@"escapedString: %@", escapedString...
Why is char[] preferred over String for passwords?
...method. Similarly, I have come across a suggestion not to use String to handle passwords.
17 Answers
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How should equals and hashcode be implemented when using JPA and Hibernate
How should model class's equals and hashcode be implemented in Hibernate? What are the common pitfalls? Is the default implementation good enough for most cases? Is there any sense to use business keys?
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how to bypass Access-Control-Allow-Origin?
...llow-Origin: *');
Note that this effectively disables CORS protection, and leaves your users exposed to attack. If you're not completely certain that you need to allow all origins, you should lock this down to a more specific origin:
header('Access-Control-Allow-Origin: https://www.example.com'...
Using margin:auto to vertically-align a div
...middle because it's not applicable to block-level elements
margin-top:auto and margin-bottom:auto because their used values would compute as zero
margin-top:-50% because percentage-based margin values are calculated relative to the width of containing block
In fact, the nature of document flow and ...
How to change to an older version of Node.js
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One way is to use NVM, the Node Version Manager.
Use following command to get nvm
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash
You can find it at https://github.com/creationix/nvm
It allows you to easily install and manage multiple versions of node...