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Difference between is and as keyword
...inSmith: You are mixing up type conversion with casting. An integer can be converted to long, but it can not be casted to long because it is not a long.
– Guffa
Aug 23 '16 at 11:04
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Rename MySQL database [duplicate]
... create the newly named one and then import the dump.
If this is a live system you'll need to take it down. If you cannot, then you will need to setup replication from this database to the new one.
If you want to see the commands to do this, @jan has the details.
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Convert Time from one time zone to another in Rails
... 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix...
What does ~~ (“double tilde”) do in Javascript?
...verything after the decimal point because the bitwise operators implicitly convert their operands to signed 32-bit integers. This works whether the operands are (floating-point) numbers or strings, and the result is a number.
In other words, it yields:
function(x) {
if(x < 0) return Math.ceil...
.NET console application as Windows service
...ich is also what you need to change to the console application in order to convert it to a Windows Service.
Here are the changes you need to do:
Install the following NuGet packages
Install-Package Microsoft.Extensions.Hosting.WindowsServices -Version 3.1.0
Install-Package Microsoft.Extensions.Co...
Easy way to turn JavaScript array into comma-separated list?
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Here's an implementation that converts a two-dimensional array or an array of columns into a properly escaped CSV string. The functions do not check for valid string/number input or column counts (ensure your array is valid to begin with). The cells can c...
What are transparent comparators?
...ned, existing code may pass through objects directly which would have been converted without the member templates. The example use-case from n3657 is locating an object in a std::set<std::string> using a string literal: with the C++11 definition a std::string object is constructed when passing...
Transparent ARGB hex value
...mple, if you want 42% to calculate you need to find 42% of numbeer 255 and convert that number to hex. 255 * 0.42 ~= 107 107 to hex is "6B
– maleta
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How to insert newline in string literal?
... If you copy-paste that code into an editor on Windows, it'll probably get converted to \r\n. Do the same on a Unix-like platform and it'll probably get converted to \n instead.
– Xiyng
Nov 30 '16 at 15:57
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How can I get sin, cos, and tan to use degrees instead of radians?
...It seems to me that it would be more useful to you to have a function that converts a degree input to radians, like this:
function toRadians (angle) {
return angle * (Math.PI / 180);
}
which you could use to do something like tan(toRadians(45)).
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