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Does the Java &= operator apply & or &&?
...ting makes a difference to the result, but in this one b has to be boolean and the type-cast does nothing.)
And, for the record, a &&= b; is not valid Java. There is no &&= operator.
In practice, there is little semantic difference between a = a & b; and a = a && b;....
How to check if NSString begins with a certain character
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You can't send messages to unichars, and they probably won't be equal to NSStrings.
– Chuck
Mar 23 '10 at 20:44
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Merge two (or more) lists into one, in C# .NET
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You can use the LINQ Concat and ToList methods:
var allProducts = productCollection1.Concat(productCollection2)
.Concat(productCollection3)
.ToList();
Note that there are more ef...
Open URL in same window and in same tab
I want to open a link in the same window and in the same tab that contains the page with the link.
14 Answers
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Java null check why use == instead of .equals()
...r two distinct object instances to be "equal" according to their contract. And then there's the minor detail that since equals is a method, if you try to invoke it on a null reference, you'll get a NullPointerException.
For instance:
class Foo {
private int data;
Foo(int d) {
this...
How to print a number with commas as thousands separators in JavaScript
I am trying to print an integer in JavaScript with commas as thousands separators. For example, I want to show the number 1234567 as "1,234,567". How would I go about doing this?
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How to output a comma delimited list in jinja python template?
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And using the joiner from http://jinja.pocoo.org/docs/dev/templates/#joiner
{% set comma = joiner(",") %}
{% for user in userlist %}
{{ comma() }}<a href="/profile/{{ user }}/">{{ user }}</a>
{% endfor %}
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How do I add custom field to Python log format string?
...'Super App'}
logger = logging.getLogger(__name__)
syslog = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s %(app_name)s : %(message)s')
syslog.setFormatter(formatter)
logger.setLevel(logging.INFO)
logger.addHandler(syslog)
logger = logging.LoggerAdapter(logger, extra)
logger.inf...
How to determine if a type implements a specific generic interface type
...plements(IBar), or even better, using a keyword "is" .... I'm exploring c# and I'm a more then bit disappointed in .net right now ...
– Sofija
Mar 5 '12 at 22:12
2
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CSS attribute selector does not work a href
I need to use attribute selector in css to change link on different color and image, but it does not work.
2 Answers
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