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IsNothing versus Is Nothing
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If you take a look at the MSIL as it's being executed you'll see that it doesn't compile down to the exact same code. When you use IsNothing() it actually makes a call to that method as opposed to just evaluating the expression.
The reaso...
How to get the last N records in mongodb?
...you have some id or date field called "x" you would do ...
.sort()
db.foo.find().sort({x:1});
The 1 will sort ascending (oldest to newest) and -1 will sort descending (newest to oldest.)
If you use the auto created _id field it has a date embedded in it ... so you can use that to order by ......
How to download a file from a URL in C#?
... method also supports local files as 1st parameter
– oo_dev
Aug 22 '17 at 8:35
The MSDN doc did mention to use HttpCli...
In PHP, can you instantiate an object and call a method on the same line?
... list:
Class member access on instantiation has been added, e.g. (new Foo)->bar().
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Mercurial .hgignore for Visual Studio 2008 projects
What is a good setup for .hgignore file when working with Visual Studio 2008?
7 Answers
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Why do we declare Loggers static final?
...as opposed to:
private static final Logger log = LoggerFactory.getLogger(Foo.class);
The former way allows you to use the same logger name (name of the actual class) in all classes throughout the inheritance hierarchy. So if Bar extends Foo, both will log to Bar logger. Some find it more intuitiv...
Ruby - test for array
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I downvoted this now since I don't think this is a good practice in a language like Ruby. The answer by @zgchurch is clearly a much more idiomatic approach to the question. In cases like this, I think it makes much more sense to try and figure out what the OP means, rather tha...
When is a Java method name too long? [closed]
...t a long name like this is an indicator that we are trying to do a lot or too much in a method class if we need such a long name, however I wanted to know what do you guys think about it.
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Selectors in Objective-C?
...long with their colons, as in compare:options:range:locale:.
You can also look at the documentation and note the presence or absence of a trailing colon.
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Pretty graphs and charts in Python [closed]
...me up here.
Surely matplotlib is great, but I believe CairoPlot is better looking.
So, for presentations and websites, it's a very good choice.
Today I released version 1.1. If interested, check it out at CairoPlot v1.1
EDIT: After a long and cold winter, CairoPlot is being developed again. Check ...