大约有 47,000 项符合查询结果（耗时：0.0615秒） [XML]
What's the point of NSAssert, actually?
...orce that:
void gimme_positive_ints(int i) {
assert(i > 0);
}
And now you'll see something like this in the error log (or STDERR):
Assertion i > 0 failed: file example.c, line 2
So not only does it safe-guard against potentially bad inputs but it logs them in a useful, standard way. ...
In Ruby, is there an Array method that combines 'select' and 'map'?
...
Ruby 2.7+
There is now!
Ruby 2.7 is introducing filter_map for this exact purpose. It's idiomatic and performant, and I'd expect it to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.ev...
What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
...
How do you know this kind of stuff? :)
– Gerrie Schenck
Feb 12 '09 at 16:07
...
Git: Cannot see new remote branch
...ojects/projectX
* [new branch] release/1.0.5 -> release/1.0.5
Now you have also the refs locally, you checkout (or whatever) this branch.
Job done!
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...
How to detect the current OS from Gradle
...ncubating though.
Mid 2018 Update: just like it was mentioned in comments, now this class moved to a different package, so one should use org.gradle.nativeplatform.platform.OperatingSystem.current()
As of mid 2015, Peter Kahn's answer is still valid. Environment-based profile activation is still so...
Collect successive pairs from a stream
...r;
return pair;
}
}).skip(1); // drop first null
Now you can limit your stream to the length you want
pairStream.limit(1_000_000).forEach(i -> System.out.println(i));
P.S. I hope there is better solution, something like clojure (partition 2 1 stream)
...
How do I change permissions for a folder and all of its subfolders and files in one step in Linux?
...
I think by now, it's actually faster to post here or use Google than to use man. Particularly for something like grep where if you are new to man it can be very time consuming to locate examples in the document, yet Google or SO provide...
Convert Datetime column from UTC to local time in select statement
... @MichaelGoldshteyn if you have a timezone offset you still dont know what logical timezone a time is in. Timezones are social things and can be changed by governments at different points. The offset for a timezone can be different at different points in time/history (summer time being a ...
Focusable EditText inside ListView
...because the ListView was then blocking focus to all children.
What I have now:
<ListView
android:id="@android:id/list"
android:layout_height="match_parent"
android:layout_width="match_parent"
android:descendantFocusability="beforeDescendants"
/>
I use beforeDescendant...
How can I download HTML source in C#
... website, but I had a hard problem to solve, with both method posted here, now I post the solution for all!
problem:
if you use an url like this: www.somesite.it/?p=1500 in some case you get an internal server error (500),
although in web browser this www.somesite.it/?p=1500 perfectly work.
soluti...