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Trouble comparing time with RSpec
... For a my object I would like to compare the current time with the updated_at object attribute after a controller action run, but I am in trouble since the spec does not pass. That is, given the following is the spec code:
...
Running python script inside ipython
...
from within the directory of "my_script.py" you can simply do:
%run ./my_script.py
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Vim: insert the same characters across multiple lines
...e (Ctrlv).
Press j three times (or 3j).
Press I (capital i).
Type in vendor_. Note: It will only update the screen in the first line - until Esc is pressed (6.), at which point all lines will be updated.
Press Esc.
An uppercase I must be used rather than a lowercase i, because the lowercase i is...
Local variables in nested functions
...s to the function, with the code using an index to reference each cell. pet_function thus has one free variable (cage) which is then referenced via a closure cell, index 0. The closure itself points to the local variable cage in the get_petters function.
When you actually call the function, that cl...
Is there Selected Tab Changed Event in the standard WPF Tab Control
...
I tied this in the handler to make it work:
void TabControl_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.Source is TabControl)
{
//do work when tab is changed
}
}
sh...
What's the difference between lists and tuples?
...e pairs of page and line number to reference locations in a book, e.g.:
my_location = (42, 11) # page number, line number
You can then use this as a key in a dictionary to store notes on locations. A list on the other hand could be used to store multiple locations. Naturally one might want to ad...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...stdint.h> seems to be the proper way to ensure bitwidths using the int##_t types, though it's not yet part of the standard.]
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What is the best collation to use for MySQL with PHP? [closed]
...g characters in the language) and performance. The only special one is utf8_bin which is for comparing characters in binary format.
utf8_general_ci is somewhat faster than utf8_unicode_ci, but less accurate (for sorting). The specific language utf8 encoding (such as utf8_swedish_ci) contain additio...
My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
... won't return a pointer to function).
#include <stdio.h>
int eighty_four() {
return 84;
}
int output_result(int callback()) {
printf("Returned: %d\n", callback());
return 0;
}
int main() {
return output_result(eighty_four);
}
As I mentioned, C allows omitting argument nam...
How to prevent IFRAME from redirecting top-level window
...hen the iframe is loaded.
<script type="text/javasript">
var prevent_bust = false ;
var from_loading_204 = false;
var frame_loading = false;
var prevent_bust_timer = 0;
var primer = true;
window.onbeforeunload = function(event) {
prevent_bust = !from_loading_204 &...