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How to modify a global variable within a function in bash?
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When you use a command substitution (ie the $(...) construct), you are creating a subshell. Subshells inherit variables from their parent shells, but this only works one way - a subshell cannot modify the environment of its parent...
MSBuild doesn't copy references (DLL files) if using project dependencies in solution
I have four projects in my Visual Studio solution (everyone targeting .NET 3.5) - for my problem only these two are important:
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android: move a view on touch move (ACTION_MOVE)
...ch the container and I move the finger, I want to move the view to follow my finger.
11 Answers
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How to change the font size on a matplotlib plot
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From the matplotlib documentation,
font = {'family' : 'normal',
'weight' : 'bold',
'size' : 22}
matplotlib.rc('font', **font)
This sets the font of all items to the font specified by the kwargs object, font.
Alternatively, you could also use the rcPara...
Extract elements of list at odd positions
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Solution
Yes, you can:
l = L[1::2]
And this is all. The result will contain the elements placed on the following positions (0-based, so first element is at position 0, second at 1 etc.):
1, 3, 5
so the result (actual numbers) wi...
Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
I have a scenario where I want to use method group syntax rather than anonymous methods (or lambda syntax) for calling a function.
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How does python numpy.where() work?
I am playing with numpy and digging through documentation and I have come across some magic. Namely I am talking about numpy.where() :
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How can I determine if a variable is 'undefined' or 'null'?
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You can use the qualities of the abstract equality operator to do this:
if (variable == null){
// your code here.
}
Because null == undefined is true, the above code will catch both null and undefined.
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What is the use of the JavaScript 'bind' method?
...o use bind to pass a member method around that has the correct this:
var myButton = {
content: 'OK',
click() {
console.log(this.content + ' clicked');
}
};
myButton.click();
var looseClick = myButton.click;
looseClick(); // not bound, 'this' is not myButton - it is the globalThis
var b...
General suggestions for debugging in R
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I'd say that debugging is an art form, so there's no clear silver bullet. There are good strategies for debugging in any language, and they apply here too (e.g. read this nice article). For instance, the first thing is to reprodu...