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Apply style to parent if it has child with css [duplicate]
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It's not possible with CSS3. There is a proposed CSS4 selector, $, to do just that, which could look like this (Selecting the li element):
ul $li ul.sub { ... }
See the list of CSS4 Selectors here.
As an alternative, with jQuery, a one-liner you could make use of would be th...
Swift equivalent of [NSBundle bundleForClass:[self class]]
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The selected answer did not work for me in a static method of a UIView subclass, but I found this:
Bundle(for: self.classForCoder)
This also works when you want to get the Bundle within a test target.
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记一次数据库表自增长(Auto Increment)故障 - 数据库(内核) - 清泛网 - ...
...么我们不妨换个思路,显式设置唯一标识,比如说通过「SELECT MAX … FOR UPDATE」的方式直接查询得到唯一标识符,并在稍后执行的 INSERT 语句中显式设置。
不过这种方法不够透明,需要修改业务代码,更透明的方法是使用触发器...
Finding what branch a Git commit came from
...ere over 200 candidate branches) to track down the path to each commit.
Selection of a particular --reference-branch --reference tag to examine will be hundreds of times faster (if you have hundreds of candidate branches).
EXAMPLES
# git-what-branch --all 1f9c381fa3e0b9b9042e310c69df87eaf...
Capistrano error tar: This does not look like a tar archive
...epo, and run git branch.
It's running git archive as a way to export the selected branch's tree. git archive "writes it out to the standard output" so Capistrano redirects that to tar in order to uncompress the archive immediately into your new release directory.
(Why Capistrano chose this instead...
LINQ to Entities case sensitive comparison
...om c In db.Users Where c.Username = UserName AndAlso c.Password = Password Select c).SingleOrDefault()
If oUser IsNot Nothing Then
If oUser.Password = Password Then
bLogin = True
End If
End If
Basically, first checking if there is a user with required criteria, ...
Practical uses of different data structures [closed]
...ght accent at all. You need to understand not just which data structure to select, but some other points to consider when people think about data structures:
pros and cons of the common data structures
why each data structure exist
how it actually work in the memory
specific questions/exe...
How do you reverse a string in place in C or C++?
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@fredsbend, the "ridiculously long" version of the selected answer handles a case which this simple answer doesn't - UTF-8 input. It shows the importance of fully specifying the problem. Besides the question was about code that would work in C as well.
–...
How to iterate through a DataTable
... also use linq extensions for DataSets:
var imagePaths = dt.AsEnumerble().Select(r => r.Field<string>("ImagePath");
foreach(string imgPath in imagePaths)
{
TextBox1.Text = imgPath;
}
share
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When is each sorting algorithm used? [closed]
...s O(N^2), it has a very small constant and is a stable sort.
Bubble sort, selection sort: When you're doing something quick and dirty and for some reason you can't just use the standard library's sorting algorithm. The only advantage these have over insertion sort is being slightly easier to impl...
