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Getting Django admin url for an object
...e was an easy way to get the admin url of an object, and I had written a small filter that I'd use like this: <a href="{{ object|admin_url }}" .... > ... </a>
...
What does the C++ standard state the size of int, long type to be?
... value of the CHAR_BIT macro that defines the number of bits in a byte. In all but the most obscure platforms it's 8, and it can't be less than 8.
One additional constraint for char is that its size is always 1 byte, or CHAR_BIT bits (hence the name). This is stated explicitly in the standard.
The C...
Does .NET have a way to check if List a contains all items in List b?
...s easy:
public class ListHelper<T>
{
public static bool ContainsAllItems(List<T> a, List<T> b)
{
return !b.Except(a).Any();
}
}
This checks whether there are any elements in b which aren't in a - and then inverts the result.
Note that it would be slightly mo...
What does (function($) {})(jQuery); mean?
I am just starting out with writing jQuery plugins. I wrote three small plugins but I have been simply copying the line into all my plugins without actually knowing what it means. Can someone tell me a little more about these? Perhaps an explanation will come in handy someday when writing a framewor...
How to export collection to CSV in MongoDB?
How do you export all the records in a MongoDB collection to a .csv file?
11 Answers
...
Configuring Git over SSH to login once
...your key unlocked and loaded, ready to use every time you ssh somewhere.
All ssh-family commands1 will then consult the agent and automatically be able to use your private key.
On OSX (err, macOS), GNOME and KDE systems, ssh-agent is usually launched automatically for you. I will go through the d...
How to implement a rule engine?
...Rules = rules.Select(r => CompileRule(r)).ToList();
public bool MatchesAllRules(User user)
{
return compiledRules.All(rule => rule(user));
}
Here is the implementation of BuildExpr:
Expression BuildExpr(Rule r, ParameterExpression param)
{
var left = MemberExpression.Property(param, ...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
...
As comment below says, you can usually see the hung process in Activity Monitor and kill it there.
– mxcl
Sep 5 '10 at 18:29
13
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How to prevent Browser cache for php site
..., those are the headers sent by PHP without specifying the above in my installation.. It seems PHP tries to prevent browser caching by default...
– fast-reflexes
May 19 '13 at 10:03
...
How to export all data from table to an insertable sql format?
I have a Table (call it A_table ) in a database (call it A_db ) in Microsoft SQL Server Management Studio, and there are 10 rows.
...