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What is the easiest way to make a C++ program crash?
...hich is the way most applications crash). It is well defined what it does (by default it exits the application and generates a core file). Yes you can set a handler, but if you have one don't you want to test that in the same way!!
– Martin York
Dec 13 '11 at 4...
How to check if a table contains an element in Lua?
...tation, your function is as efficient as can be done. Of course, as noted by others (and as practiced in languages older than Lua), the solution to your real problem is to change representation. When you have tables and you want sets, you turn tables into sets by using the set element as the key a...
How to get a group of toggle buttons to act like radio buttons in WPF?
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This one should be selected answer by far. Gives you all the benefits of a radiobutton without the drawbacks of binding to some controller. I first tried binding to separate invisible radiobutton set, but that had unnecessary overhead and ended up with a bug w...
How do I find if a string starts with another string in Ruby?
What the best way to find if a string starts with another in Ruby (without rails)?
4 Answers
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iOS / Android cross platform development [closed]
...familiar with, you can choose from ActionScript, C++, C#, Java, Lua, and Ruby.
My company is more in the game space, so I haven't played as much with the JavaScript+CSS frameworks like Titanium, PhoneGap, and Sencha. But I can tell you a bit about some of the games-oriented frameworks. Games and ric...
How to get the currently logged in user's user id in Django?
...E_CLASSES setting.
The current user is in request object, you can get it by:
def sample_view(request):
current_user = request.user
print current_user.id
request.user will give you a User object representing the currently logged-in user. If a user isn't currently logged in, request.user ...
Max or Default?
...e functions. To summarize what I found, you can get around this limitation by casting to a nullable within your select. My VB is a little rusty, but I think it'd go something like this:
Dim x = (From y In context.MyTable _
Where y.MyField = value _
Select CType(y.MyCounter, Intege...
LINQ's Distinct() on a particular property
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EDIT: This is now part of MoreLINQ.
What you need is a "distinct-by" effectively. I don't believe it's part of LINQ as it stands, although it's fairly easy to write:
public static IEnumerable<TSource> DistinctBy<TSource, TKey>
(this IEnumerable<TSource> source, Func&...
#ifdef #ifndef in Java
...("fast"));
Then any conditions dependent on enableFast will be evaluated by the JIT compiler. The overhead for this is negligible.
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How to clear the cache of nginx?
...sendfile was set to on in nginx.conf and that was causing the problem. @kolbyjack mentioned it above in the comments.
When I turned off sendfile - it worked fine.
This is because:
Sendfile is used to ‘copy data between one file descriptor and another‘ and apparently has some real trouble w...