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PHP Pass by reference in foreach [duplicate]
...a reference variable.
Since $v is pointing to $a[3] any change to $v results in a change to $a[3]
in the second loop,
foreach ($a as $v) {
echo $v.'-'.$a[3].PHP_EOL;
}
in each iteration as $v changes, $a[3] changes. (because $v still points to $a[3]). This is the reason why $a[3] changes on...
how to listen to N channels? (dynamic select statement)
...nge chans {
go func(c chan string) {
for msg := range c {
agg <- msg
}
}(ch)
}
select {
case msg <- agg:
fmt.Println("received ", msg)
}
If you need to know which channel the message originated from, you could wrap it in a struct with any extra information before forwa...
How can I completely remove TFS Bindings
...
This worked great for me in VS2013 Ultimate. I was moving a single solution from TFS to SVN and this saved my bacon.
– Rob Horton
Oct 1 '14 at 21:08
...
Numpy `logical_or` for more than two arguments
...ers are x1, x2, and optionally out:
numpy.logical_or(x1, x2[, out]) = <ufunc 'logical_or'>
You can of course chain together multiple logical_or calls like this:
>>> x = np.array([True, True, False, False])
>>> y = np.array([True, False, True, False])
>>> z =...
event.preventDefault() vs. return false
...Query event handler is effectively the same as calling both e.preventDefault and e.stopPropagation on the passed jQuery.Event object.
e.preventDefault() will prevent the default event from occuring, e.stopPropagation() will prevent the event from bubbling up and return false will do both. Note tha...
Hibernate: “Field 'id' doesn't have a default value”
...
`SECONDNAME` varchar(100) NOT NULL,
`PROPERTYNUM` varchar(50) DEFAULT NULL,
`STREETNAME` varchar(50) DEFAULT NULL,
`CITY` varchar(50) DEFAULT NULL,
`COUNTY` varchar(50) DEFAULT NULL,
`COUNTRY` varchar(50) DEFAULT NULL,
`POSTCODE` varchar(50) DEFAULT NULL,
`HomePHONENU...
How to create a project from existing source in Eclipse and then find it?
...in eclipse and name it using that same project name.
Uncheck the "use default location" box and find the directory where your project is unless your project is already in the workspace - then you must not uncheck the "use default location" box
Click 'next'.
Eclipse should be smart enough to figur...
How to declare Return Types for Functions in TypeScript
...ou are correct - here is a fully working example - you'll see that var result is implicitly a string because the return type is specified on the greet() function. Change the type to number and you'll get warnings.
class Greeter {
greeting: string;
constructor (message: string) {
thi...
VB.NET equivalent to C# var keyword [duplicate]
... @Quandary +Adam: IIRC, When "Option Infer" is OFF, the result is dynamic foo, for backward compatibility. Maybe "Option Strict" has to also be OFF for it to be dynamic, not sure. EDIT I just saw Konrad's answer. He explains the different combinations.
– Toolmake...
Getting rid of all the rounded corners in Twitter Bootstrap
... 0px;
In bootstrap 4 if you are compiling it you can disable radius alltogether in the _custom.scss file:
$enable-rounded: false;
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