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Bash script to calculate time elapsed
...command. It's a bit of a subtle distinction. Hope this helps.
As tink pointed out in the comments on this answer, $[] is deprecated, and $(()) should be favored.
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What does “Object reference not set to an instance of an object” mean? [duplicate]
... either reference types or value types. Value types are primitives such as integers and booleans or structures (and can be identified because they inherit from System.ValueType). Boolean variables, when declared, have a default value:
bool mybool;
//mybool == false
Reference types, when declared...
How can i take an UIImage and give it a black border?
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Yes you can. Instances of UIImage can be drawn into a graphics context with CoreGraphics.
– Mark Adams
Jun 2 '13 at 1:56
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Unmarshaling nested JSON objects
... decided so I can create a struct and when I parse it using map of [string]interface{}, I am having issues for nested elements. What can be done.?
– viveksinghggits
Dec 21 '18 at 10:29
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How to determine the Boost version on a system?
...;boost/version.hpp>
#include <iostream>
#include <iomanip>
int main()
{
std::cout << "Boost version: "
<< BOOST_VERSION / 100000
<< "."
<< BOOST_VERSION / 100 % 1000
<< "."
<< BOOST_VERSION % 1...
Sorting arrays in NumPy by column
...,0,1]])
In [3]: np.sort(a.view('i8,i8,i8'), order=['f1'], axis=0).view(np.int)
Out[3]:
array([[0, 0, 1],
[1, 2, 3],
[4, 5, 6]])
To sort it in-place:
In [6]: a.view('i8,i8,i8').sort(order=['f1'], axis=0) #<-- returns None
In [7]: a
Out[7]:
array([[0, 0, 1],
[1, 2, 3],
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List all files and directories in a directory + subdirectories
...oorly phrased. 'Use substring' doesnt tell me a lot and I had to get stuck into linqpad to derive a nice solution. For example, what would the parameter be? Are you going to do path.SubString(2) to naively remove drive letter and colon? What if the directory is a network share? I suggest Path as a r...
Is it possible to disable scrolling on a ViewPager
...rivate boolean flag, isPagingEnabled. Then override the onTouchEvent and onInterceptTouchEvent methods. If isPagingEnabled equals true invoke the super method, otherwise return.
public class CustomViewPager extends ViewPager {
private boolean isPagingEnabled = true;
public CustomViewPager...
Print “hello world” every X seconds
Lately I've been using loops with large numbers to print out Hello World :
14 Answers
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Word wrap for a label in Windows Forms
...l and include vertical resize logic.
Basically what you need to do in OnPaint is:
Measure the height of the text (Graphics.MeasureString).
If the label height is not equal to the height of the text set the height and return.
Draw the text.
You will also need to set the ResizeRedraw style flag i...