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Is there a (repeat-last-command) in Emacs?
Frequently, I've dug into apropos and docs looking for something like the following only to give up to get back to the task at hand:
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ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
... to set up a VPN with a Raspberry Pi, and the first step is gaining the ability to ssh into the device from outside my local network. For whatever reason, this is proving to be impossible and I haven't the slightest clue why. When I try to ssh into my server with user@hostname , I get the error...
How do I pass the this context to a function?
...r myfunc = function(){
alert(this.name);
};
var obj_a = {
name: "FOO"
};
var obj_b = {
name: "BAR!!"
};
Now you can call:
myfunc.call(obj_a);
Which would alert FOO. The other way around, passing obj_b would alert BAR!!. The difference between .call() and .apply() is that .call()...
Type definition in object literal in TypeScript
... is close to what you have:
var obj: { property: string; } = { property: "foo" };
But you can also use an interface
interface MyObjLayout {
property: string;
}
var obj: MyObjLayout = { property: "foo" };
share
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git diff between two different files
In HEAD (the latest commit), I have a file named foo . In my current working tree, I renamed it to bar , and also edited it.
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deny direct access to a folder and file by htaccess
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Check if value is in select list with JQuery
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Use the Attribute Equals Selector
var thevalue = 'foo';
var exists = 0 != $('#select-box option[value='+thevalue+']').length;
If the option's value was set via Javascript, that will not work. In this case we can do the following:
var exists = false;
$('#select-box option'...
What’s the best way to check if a file exists in C++? (cross platform)
I have read the answers for What's the best way to check if a file exists in C? (cross platform) , but I'm wondering if there is a better way to do this using standard c++ libs? Preferably without trying to open the file at all.
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How to normalize an array in NumPy?
I would like to have the norm of one NumPy array. More specifically, I am looking for an equivalent version of this function
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ThreadStatic v.s. ThreadLocal: is generic better than attribute?
...thread. For example, say you have this:
[ThreadStatic]
private static int Foo = 42;
The first thread that uses this will see Foo initialized to 42. But subsequent threads will not. The initializer works for the first thread only. So you end up having to write code to check if it's initialized.
T...