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Performance difference between IIf() and If
...hink:
' Usage 1
Dim result = If(a > 5, "World", "Hello")
' Usage 2
Dim foo = If(result, "Alternative")
The first is basically C#'s ternary conditional operator and the second is its coalesce operator (return result unless it’s Nothing, in which case return "Alternative"). If has thus replace...
How can I do string interpolation in JavaScript?
...rafting of the spec. Use them like this:
> var n = 42;
undefined
> `foo${n}bar`
'foo42bar'
You can use any valid JavaScript expression inside the {}. For example:
> `foo${{name: 'Google'}.name}bar`
'fooGooglebar'
> `foo${1 + 3}bar`
'foo4bar'
The other important thing is, you don't ...
How to split one string into multiple variables in bash shell? [duplicate]
...how you can read each individual character into array elements:
$ read -a foo <<<"$(echo "ABCDE-123456" | sed 's/./& /g')"
Dump the array:
$ declare -p foo
declare -a foo='([0]="A" [1]="B" [2]="C" [3]="D" [4]="E" [5]="-" [6]="1" [7]="2" [8]="3" [9]="4" [10]="5" [11]="6")'
If there...
jQuery send string as POST parameters
.../Same_origin_policy
url: 'http://nakolesah.ru/',
data: {
'foo': 'bar',
'ca$libri': 'no$libri' // <-- the $ sign in the parameter name seems unusual, I would avoid it
},
success: function(msg){
alert('wow' + msg);
}
});
...
How to use JUnit to test asynchronous processes
... run synchronously.
So suppose I'm trying to test the asynchronous method Foo#doAsync(Callback c),
class Foo {
private final Executor executor;
public Foo(Executor executor) {
this.executor = executor;
}
public void doAsync(Callback c) {
executor.execute(new Runnable() {
@O...
Concatenating two lists - difference between '+=' and extend()
... for function and also not global)
def main():
l = [1, 2, 3]
def foo():
l.extend([4])
def boo():
l += [5]
foo()
print l
boo() # this will fail
main()
It's because for extend case compiler will load the variable l using LOAD_DEREF instruction, but for +...
VB.NET equivalent to C# var keyword [duplicate]
...rongly-typed; it's just done so implicitly (like the C# var) keyword.
Dim foo = "foo"
foo is declared as a String.
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Returning an array using C
...ry inside of the function (caller responsible for deallocating ret)
char *foo(int count) {
char *ret = malloc(count);
if(!ret)
return NULL;
for(int i = 0; i < count; ++i)
ret[i] = i;
return ret;
}
Call it like so:
int main() {
char *p = foo(10);
if(p...
What is the meaning of the 'g' flag in regular expressions?
...y starts searching at the lastIndex.
// regular regex
const regex = /foo/;
// same regex with global flag
const regexG = /foo/g;
const str = " foo foo foo ";
const test = (r) => console.log(
r,
r.lastIndex,
r.test(str),
r.lastIndex
);
// Test the normal one...
Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
...
There's no big advantage for those cases where an assertFoo exists that exactly matches your intent. In those cases they behave almost the same.
But when you come to checks that are somewhat more complex, then the advantage becomes more visible:
assertTrue(foo.contains("someValu...