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How do I run a batch file from my Java Application?
...).
exec("cmd /c start \"\" build.bat");
Note: With the start \"\" command, a separate command window will be opened with a blank title and any output from the batch file will be displayed there. It should also work with just `cmd /c build.bat", in which case the output can be read from the sub...
.NET HttpClient. How to POST string value?
How can I create using C# and HttpClient the following POST request:
5 Answers
5
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Safely casting long to int in Java
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We also have addExact and multiplyExact. Of note is that division (MIN_VALUE/-1) and absolute value (abs(MIN_VALUE)) do not have safe convenience methods.
– Aleksandr Dubinsky
Oct 27 '17 at 9:43
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Are members of a C++ struct initialized to 0 by default?
...(0),y(0) { }
// other ctors / functions...
};
Will initialize both x and y to 0. Note that you can use x(), y() to initialize them disregarding of their type: That's then value initialization, and usually yields a proper initial value (0 for int, 0.0 for double, calling the default constructor...
What's the difference between $evalAsync and $timeout in AngularJS?
I've been using AngularJS for a little while now, and have found the need to use $timeout every once in a while (Seems to usually be to init a jQuery plugin).
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Passing a single item as IEnumerable
...ss in a list or an array, then an unscrupulous piece of code could cast it and change the contents, leading to odd behaviour in some situations. You could use a read-only collection, but that's likely to involve even more wrapping. I think your solution is as neat as it gets.
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Does making a struct volatile make all its members volatile?
...u declare the object with const, all it's member will be const too.
const and volatile are two faces of the same coin; they're so that the Standard often refers to them as cv-qualifiers.
Quoting from the Standard ($7.1.5.1/8)
[Note: volatile is a hint to the
implementation to avoid aggress...
How to remove first 10 characters from a string?
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And for better readability, you can use "". It compiles exactly the same as string.Empty these days.
– PRMan
Oct 15 '19 at 20:46
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How to set enum to null
...perator for a nullable type.
public Color? myColor = null;
Or use the standard practice for enums that cannot be null by having the FIRST value in the enum (aka 0) be the default value. For example in a case of color None.
public Color myColor = Color.None;
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How to convert milliseconds to “hh:mm:ss” format?
...INUTES.toSeconds(1));
Still using the TimeUnit API for all magic values, and gives exactly the same output.
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