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eval command in Bash and its typical uses
...de the parentheses in a subshell (i.e. in a separate process that inherits all settings such as variable values from the current shell), and gathers its output. So echo $($n) runs $n as a shell command, and displays its output. Since $n evaluates to 1, $($n) attempts to run the command 1, which does...
Learning about LINQ [closed]
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Why this delicious.com redirects to an extension name called Dmail on chrome store? o.O You mean del.icio.us instead?
– Soner Gönül
Mar 4 '19 at 11:20
ad...
string.split - by multiple character delimiter
...g the rest. There is an overload that accepts a string as a delimiter (actually, an array of strings) - so you don't have to remove the empty values (meaning also: you can find empty values when they validly exist in the data)
– Marc Gravell♦
Aug 10 '09 at 12...
How to destroy a DOM element with jQuery?
...garbage collector for now. If you want to DESTROY it you also have to lose all references to it. I'm not quite sure why you'd want to DESTROY a DOM element though. Maybe you just hate $target. Poor $target, what did it ever do to you?
– bobince
Sep 8 '09 at 11:...
Should I mix AngularJS with a PHP framework? [closed]
... on client side rendering, you should consider letting the client maintain all responsibility of managing state and presentation. This will be easier to maintain, and will be more user friendly.
I would recommend you to get more comfortable thinking in a more API centric approach. Rather than havin...
How can I initialize a C# List in the same line I declare it. (IEnumerable string Collection Example
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var list = new List<string> { "One", "Two", "Three" };
Essentially the syntax is:
new List<Type> { Instance1, Instance2, Instance3 };
Which is translated by the compiler as
List<string> list = new List<string>();
list.Add("One");
list.Add("Two");
list.Add("Three");...
Is mongodb running?
I have installed mongodb and the php drivers on my unix server.
9 Answers
9
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Why can't I initialize non-const static member or static array in class?
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Why I can't initialize static data members in class?
The C++ standard allows only static constant integral or enumeration types to be initialized inside the class. This is the reason a is allowed to be initialized while others are not.
Reference:
C++03 9.4.2 Static data members
§4
If a st...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...quire casting due to Scala's type system.
Also in Java people don't typically make immutable objects which I recommend you do for messaging. Consequently its very easy in Java to accidentally do something using Akka that will not scale (using mutable objects for messages, relying on weird closure ...
DateTime “null” value
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For normal DateTimes, if you don't initialize them at all then they will match DateTime.MinValue, because it is a value type rather than a reference type.
You can also use a nullable DateTime, like this:
DateTime? MyNullableDate;
Or the longer form:
Nullable<DateTime>...