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Flask SQLAlchemy query, specify column names
...answered Aug 21 '12 at 12:29
David McKeoneDavid McKeone
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What is the meaning of “$” sign in JavaScript
...re's nothing mysterious about the use of $ in JavaScript. $ is simply a valid JavaScript identifier.
JavaScript allows upper and lower letters, numbers, and $ and _. The $ was intended to be used for machine-generated variables (such as $0001).
Prototype, jQuery, and most javascript libraries use ...
When to dispose CancellationTokenSource?
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Speaking about whether it's really necessary to call Dispose on CancellationTokenSource... I had a memory leak in my project and it turned out that CancellationTokenSource was the problem.
My project has a service, that is constantly reading database and fires off differe...
Static Vs. Dynamic Binding in Java
...e is vehicle but object will be Car
vehicle.start(); //Car's start called because start() is overridden method
}
}
class Vehicle {
public void start() {
System.out.println("Inside start method of Vehicle");
}
}
class Car extends Vehicle {
@Override
public void s...
What's the _ underscore representative of in Swift References?
...ing, s2: String) -> String {
return s1 + s2;
}
}
When you call foo(), it is called like bar.foo("Hello", s2: "World").
But, you can override this behavior by using _ in front of s2 where it's declared.
func foo(s1: String, _ s2: String) -> String{
return s1 + s2;
}
Then, ...
Set the location in iPhone Simulator
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Run project in iPhone Simulator
Create in TextEdit file following file, call it MyOffice for example. Make extension as .gpx
<?xml version="1.0"?> <gpx version="1.0" creator="MyName"> <wpt lat="53.936166" lon="27.565370"> <name>MyOffice</name> </wpt> </gpx...
How exactly does __attribute__((constructor)) work?
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It runs when a shared library is loaded, typically during program startup.
That's how all GCC attributes are; presumably to distinguish them from function calls.
GCC-specific syntax.
Yes, this works in C and C++.
No, the function does not need to be static.
The destruct...
Call PowerShell script PS1 from another PS1 script inside Powershell ISE
I want call execution for a myScript1.ps1 script inside a second myScript2.ps1 script inside Powershell ISE.
11 Answers
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Return a value from AsyncTask in Android [duplicate]
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Why not call a method that handles the value?
public class MyClass extends Activity {
private class myTask extends AsyncTask<Void, Void, Void> {
//initiate vars
public myTask() {
super();
...
Calling a function from a string in C#
I know in php you are able to make a call like:
7 Answers
7
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