大约有 33,000 项符合查询结果（耗时：0.0647秒） [XML]
Trigger a button click with JavaScript on the Enter key in a text box
I have one text input and one button (see below). How can I use JavaScript to trigger the button's click event when the Enter key is pressed inside the text box?
...
heroku - how to see all the logs
...an environment for a variety of reasons.
First, if your app has more than one dyno then each log file only represents a partial view into the events of your app. You would have to manually aggregate all the files to get the full view.
Second, the filesystem on Heroku is ephemeral meaning whenever ...
How to break out of nested loops?
...
Works, but ugly and not general. What if someone changes the limit to 2000 (suppose the code is longer, so you don't immediately notice it)?
– ugoren
Mar 14 '12 at 8:17
...
Best algorithm for detecting cycles in a directed graph [closed]
...
Tarjan's strongly connected components algorithm has O(|E| + |V|) time complexity.
For other algorithms, see Strongly connected components on Wikipedia.
share
|
...
Check that an email address is valid on iOS [duplicate]
I am developing an iPhone application where I need the user to give his email address at login.
4 Answers
...
getting type T from IEnumerable
...(t => t.GetGenericArguments()[0]);
}
Some objects implement more than one generic IEnumerable so it is necessary to return an enumeration of them.
Edit: Although, I have to say, it's a terrible idea for a class to implement IEnumerable<T> for more than one T.
...
CSS Selector “(A or B) and C”?
...decade for things that didn't exist on 2001. People just want to blame someone.
– GetFree
Aug 17 '15 at 18:14
One word...
Split string in Lua?
...olution. Use the gmatch function to capture strings which contain at least one character of anything other than the desired separator. The separator is **any* whitespace (%s in Lua) by default:
function mysplit (inputstr, sep)
if sep == nil then
sep = "%s"
end
...
What does the comma operator , do?
...k if read_string doesn't have a return value (or doesn't have a meaningful one). (Edit: Sorry, didn't notice how old this post was.)
– jamesdlin
Mar 25 '10 at 8:05
...
Add shadow to custom shape on Android
...
This is how I do it:
Code bellow for one button STATE:
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<!-- "background shadow" -->
<item>
<shape android:...