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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
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@NamNguyen If you want to talk about other forms of parameter expansion, there are at least a dozen more: ${parameter:-word}, ${parameter:=word}, ${parameter#word}, ${parameter/pattern/string}, and so on. I think those are beyond the scope of this answer.
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Entity Framework DateTime and UTC
... value to set on the returned DateTime value. </summary>
/// <param name="kind"> The DateTime.Kind value to set on the returned DateTime value. </param>
public DateTimeKindAttribute(DateTimeKind kind)
{
Kind = kind;
}
/// <summary> Event handler t...
How to encode URL parameters?
I am trying to pass parameters to a URL which looks like this:
4 Answers
4
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How to prevent auto-closing of console after the execution of batch file
...the new windows will not exit automatically.
start "title" call abcd.exe param1 param2
start "title" call xyz.exe param1 param2
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'any' vs 'Object'
...uivalents in TypeScript.
If you declare functions like these
function fa(param: any): void {}
function fb(param: Object): void {}
with the intention of accepting anything for param (maybe you're going to check types at run-time to decide what to do with it), remember that
inside fa, the compil...
Getting Checkbox Value in ASP.NET MVC 4
...)
And in the controller action (make sure the name matches the checkbox param name on the controller):
public ActionResult Index(string param1, string param2,
string param3, IEnumerable<bool> Chbxs)
Then in the controller you can do some stuff like:
if (Chbxs != null &...
What arguments are passed into AsyncTask?
...on Says that :
An asynchronous task is defined by 3 generic types, called Params, Progress and Result, and 4 steps, called onPreExecute, doInBackground, onProgressUpdate and onPostExecute.
AsyncTask's generic types :
The three types used by an asynchronous task are the following:
Params, the ty...
What are the disadvantages to declaring Scala case classes?
...u need it
Getters automatically defined
Possible in any class by prefixing params with val
Decent toString() implementation
Yes, very useful, but doable by hand on any class if necessary
Compliant equals() and hashCode()
Combined with easy pattern-matching, this is the main reason that people use ca...
Constructor overloading in Java - best practice
...t they only call this(...). That way you only need to check and handle the parameters once and only once.
public class Simple {
public Simple() {
this(null);
}
public Simple(Resource r) {
this(r, null);
}
public Simple(Resource r1, Resource r2) {
// Gu...
How to sort in mongoose?
...t providing a callback to the find() method, otherwise you can specify the parameters as I outline below.
Original
Given a model object, per the docs on Model, this is how it can work for 2.4.1:
Post.find({search-spec}, [return field array], {options}, callback)
The search spec expects an objec...