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How do different retention policies affect my annotations?
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214
RetentionPolicy.SOURCE: Discard during
the compile. These annotations don't
make any ...
Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
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142
Did you mean sprintf '%02d', n?
irb(main):003:0> sprintf '%02d', 1
=> "01"
irb(main):00...
In JavaScript, is returning out of a switch statement considered a better practice than using break?
Option 1 - switch using return:
2 Answers
2
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How do you set, clear, and toggle a single bit?
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Setting a bit
Use the bitwise OR operator (|) to set a bit.
number |= 1UL << n;
That will set the nth bit of number. n should be zero, if you want to set the 1st bit and so on upto n-1, if you want to set the nth bit.
Use 1ULL if number is wider than unsigned long; promotion of 1UL <&...
How to use the 'sweep' function
...nd use in the operation defined by FUN.
For instance, if you want to add 1 to the 1st row, 2 to the 2nd, etc. of the matrix you defined, you will do:
sweep (M, 1, c(1: 4), "+")
I frankly did not understand the definition in the R documentation either, I just learned by looking up examples.
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What is the difference between Numpy's array() and asarray() functions?
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125
Since other questions are being redirected to this one which ask about asanyarray or other arr...
How to convert a string to an integer in JavaScript?
... simplest way would be to use the native Number function:
var x = Number("1000")
If that doesn't work for you, then there are the parseInt, unary plus, parseFloat with floor, and Math.round methods.
parseInt:
var x = parseInt("1000", 10); // you want to use radix 10
// so you get a decimal ...
npm install vs. update - what's the difference?
...d in package.json:
{
"name": "my-project",
"version": "1.0", // install update
"dependencies": { // ------------------
"already-installed-versionless-module": "*", // ignores "1.0" -> "1.1"
"alrea...
How to increase the Java stack size?
...less than 999MB of stack:
> java -Xss4m Test
0
(Windows JDK 7, build 17.0-b05 client VM, and Linux JDK 6 - same version information as you posted)
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