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Retain cycle on `self` with blocks
...ou do use __weak, make sure to throw it into a __strong local variable and test that for non-nil before doing anything with it.
– Lily Ballard
Jun 27 '12 at 18:07
2
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Node.js on multi-core machines
...wn... yes, the entire box; I crashed the kernel on a CentOS5 box by stress-testing Node (now THAT really isn't supposed to happen). I've come around a bit, and I see a bright future for Node, potentially including dedicated LB-type roles. Just not yet.
– Dave Dopson
...
How To Check If A Key in **kwargs Exists?
...ich will overwrite any new values that the user has set. We don't need to test if a key exists, we now use args as our argument dictionary and have no further need of kwargs.
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Visual Studio 2010 annoyingly opens documents in wrong MDI pane
...t might be enough to just do Window -> Reset Window layout. But I can't test that since I don't know how the wrong behaviour started.
If Josh's solution does not work for you, someone at Microsoft support recommended to reset all settings ( Tools-> Import and Export setting... -> Reset all...
How does the ThreadStatic attribute work?
...ed:
class A {
[ThreadStatic]
public int a;
}
[Test]
public void Try() {
var a1 = new A();
var a2 = new A();
a1.a = 5;
a2.a = 10;
a1.a.Should().Be.EqualTo(5);
a2.a.Should().Be.EqualTo(10);
}
Additionally it is wort...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
...
One thing to mention is that, in my testing and a really old comment by someone else it seems you can't have an always-on scrollbar AND the momentum-like scrolling that people are used to with iOS. Doing the momentum-scrolling CSS caused my custom scrollbars to...
IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...adding the fragment with commitAllowingStateLoss doesn't play any part. My testing shows this to be true. It has no effect on this specific exception. What we need is a popBackStackImmediateAllowingStateLoss method.
– Synesso
Jan 9 '15 at 1:32
...
Get the generated SQL statement from a SqlCommand object?
...sion including output parameters and structured parameters. It is lightly tested, but caveat emptor.
Example:
SqlCommand cmd = new SqlCommand("GetEntity", con);
cmd.Parameters.AddWithValue("@foobar", 1);
cmd.Parameters.Add(new SqlParameter(){
ParameterName = "@outParam",
Direction = Param...
How do you read from stdin?
... read input from a keyboard, He is asking to read from stdin which in a contest situation is usually provided to the contestants.
– chrisfs
Apr 22 '18 at 21:45
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How to include (source) R script in other scripts
...nment and uses sys.source to source the file if not.
Here's a quick and untested function (improvements welcome!):
include <- function(file, env) {
# ensure file and env are provided
if(missing(file) || missing(env))
stop("'file' and 'env' must be provided")
# ensure env is character
...