大约有 45,000 项符合查询结果（耗时：0.0638秒） [XML]
Remove excess whitespace from within a string
...
Not sure exactly what you want but here are two situations:
If you are just dealing with excess whitespace on the beginning or end of the string you can use trim(), ltrim() or rtrim() to remove it.
If you are dealing with extra spaces within a string consider a preg_replace of multipl...
Jasmine.js comparing arrays
...yTheEntity "The addMatchers function is no longer on the spec (this) it is now on the global jasmine object." - see Jasmine docs
– rwisch45
May 1 '16 at 10:46
...
How do I set a ViewModel on a window in XAML using DataContext property?
...other people provided (which are good, and correct), there is a way to specify the ViewModel in XAML, yet still separate the specific ViewModel from the View. Separating them is useful for when you want to write isolated test cases.
In App.xaml:
<Application
x:Class="BuildAssistantUI.App"
...
Using Rails 3.1, where do you put your “page specific” JavaScript code?
...
+1 This is great to know for a newbie like me. I'd give it +2 if I could.
– jrhorn424
Mar 17 '12 at 22:16
6
...
How can I disable HREF if onclick is executed?
I have an anchor with both HREF and ONCLICK attributes set. If clicked and Javascript is enabled, I want it to only execute ONCLICK and ignore HREF . Likewise, if Javascript is disabled or unsupported, I want it to follow the HREF URL and ignore ONCLICK . Below is an example of what I'...
Display names of all constraints for a table in Oracle SQL
...
You need to query the data dictionary, specifically the USER_CONS_COLUMNS view to see the table columns and corresponding constraints:
SELECT *
FROM user_cons_columns
WHERE table_name = '<your table name>';
FYI, unless you specifically created your table w...
How to add images in select list?
...
2020 now and still no way to do this.
– Wingsuit
Apr 7 at 4:20
|
show ...
find() with nil when there are no records
...ckoverflow.com/a/26885027/1438478 for the new way to find an item by a specific attribute.
– Fralcon
Mar 26 '15 at 20:58
...
Regex: ignore case sensitivity
...ion for your language/platform/tool to find how the matching modes are specified.
If you want only part of the regex to be case insensitive (as my original answer presumed), then you have two options:
Use the (?i) and [optionally] (?-i) mode modifiers:
(?i)G[a-b](?-i).*
Put all the variations (...
ACE vs Boost vs POCO [closed]
...and Adaptive Communication Environment (ACE) framework . I would like to know the good and bad of each.
10 Answers
...