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How to use double or single brackets, parentheses, curly braces
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In Bash, test and [ are shell builtins.
The double bracket, which is a shell keyword, enables additional functionality. For example, you can use && and || instead of -a and -o and there's a regular expression matching operato...
Using semicolon (;) vs plus (+) with exec in find
... called once per file (or other filesystem object) found:
$ find . -name 'test*' -exec echo {} \;
./test.c
./test.cpp
./test.new
./test.php
./test.py
./test.sh
With a plus, the command echo is called once only. Every file found is passed in as an argument.
$ find . -name 'test*' -exec echo {} \...
jQuery SVG, why can't I addClass?
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I tested this, and .classList appears to be undefined for svg sub-elements, at least in Chrome.
– Chris Jaynes
Apr 25 '13 at 18:36
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Does MS SQL Server's “between” include the range boundaries?
... inclusive.
From Books Online:
BETWEEN returns TRUE if the value of
test_expression is greater than or
equal to the value of begin_expression
and less than or equal to the value of
end_expression.
DateTime Caveat
NB: With DateTimes you have to be careful; if only a date is given the ...
Use NUnit Assert.Throws method or ExpectedException attribute?
I have discovered that these seem to be the two main ways of testing for exceptions:
5 Answers
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PG undefinedtable error relation users does not exist
I saw this question up before, but only for rspec. I haven't created test yet because it's too advanced for me but one day soon i will! :P
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Practical usage of setjmp and longjmp in C
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setjmp and longjmp can be very useful in unit testing.
Suppose we want to test the following module:
#include <stdlib.h>
int my_div(int x, int y)
{
if (y==0) exit(2);
return x/y;
}
Normally, if the function to test calls another function, you can decla...
Is there a way to iterate over a range of integers?
...nt with a ForClause and a Go range statement using the iter package.
iter_test.go
package main
import (
"testing"
"github.com/bradfitz/iter"
)
const loops = 1e6
func BenchmarkForClause(b *testing.B) {
b.ReportAllocs()
j := 0
for i := 0; i < b.N; i++ {
for j = 0; ...
Send response to all clients except sender
... 1.0):
// sending to sender-client only
socket.emit('message', "this is a test");
// sending to all clients, include sender
io.emit('message', "this is a test");
// sending to all clients except sender
socket.broadcast.emit('message', "this is a test");
// sending to all clients in 'game' room(c...
How do I compare strings in Java?
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== tests for reference equality (whether they are the same object).
.equals() tests for value equality (whether they are logically "equal").
Objects.equals() checks for null before calling .equals() so you don't have to (avai...