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How to comment out a block of Python code in Vim
I was wondering if there was any key mapping in Vim to allow me to indent certain lines of code (whether those lines have been selected in visual mode, or n lines above/below current cursor position).
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Concrete Javascript Regex for Accented Characters (Diacritics)
I've looked on Stack Overflow ( replacing characters.. eh , how JavaScript doesn't follow the Unicode standard concerning RegExp , etc.) and haven't really found a concrete answer to the question:
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What is tail recursion?
...ny
number as argument; it will never
overflow the stack:
function foo (n)
if n > 0 then return foo(n - 1) end
end
... As I said earlier, a tail call is a
kind of goto. As such, a quite useful
application of proper tail calls in
Lua is for programming state machines.
Such ...
c++11 Return value optimization or move? [duplicate]
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Use exclusively the first method:
Foo f()
{
Foo result;
mangle(result);
return result;
}
This will already allow the use of the move constructor, if one is available. In fact, a local variable can bind to an rvalue reference in a return statement prec...
Can I set a breakpoint on 'memory access' in GDB?
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What you're looking for is called a watchpoint.
Usage
(gdb) watch foo: watch the value of variable foo
(gdb) watch *(int*)0x12345678: watch the value pointed by an address, casted to whatever type you want
(gdb) watch a*b + c/d: watch an arbitrarily complex expression, valid in the progra...
Creating functions in a loop
...have a function that accesses a global variable, like this:
global_var = 'foo'
def my_function():
print(global_var)
global_var = 'bar'
my_function()
When you read this code, you would - of course - expect it to print "bar", not "foo", because the value of global_var has changed after the fu...
jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
Having trouble with what I thought was a relatively simple jQuery plugin...
23 Answers
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Process all arguments except the first one (in a bash script)
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Surprisingly foo=shift doesn't do what I'd expect.
– Keith Smiley
Mar 3 '14 at 16:45
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What is a “first chance exception”?
...atement that throws. You see the message A first chance exception of type 'foo' occurred in YourApp.exe. You can still continue (F5) or step further (F11). Then if there is a catch for this, control goes there. If there is no catch block, you get the "second-chance" break, this time the message is A...
How can I get the sha1 hash of a string in node.js?
... = require('crypto')
var shasum = crypto.createHash('sha1')
shasum.update('foo')
shasum.digest('hex') // => "0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33"
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