大约有 47,000 项符合查询结果（耗时：0.0565秒） [XML]
Get nodes where child node contains an attribute
... do the trick:
//book[descendant::title[@lang='it']]
This allows you to select all book elements that contain a child title element (regardless of how deep it is nested) containing language attribute value equal to 'it'.
I cannot say for sure whether or not this answer is relevant to the year 20...
How can I link to a specific glibc version?
...ric
so in menuconfig I do:
Operating System
Version of linux
so I select:
4.14.71
which is the first equal or older version. It has to be older since the kernel is backwards compatible.
Now you can build with:
env -u LD_LIBRARY_PATH time ./ct-ng build CT_JOBS=`nproc`
and now wait for...
Monad in plain English? (For the OOP programmer with no FP background)
...on, that composition is associative, and so on.
In C#, "Bind" is called "SelectMany". Take a look at how it works on the sequence monad. We need to have two things: turn a value into a sequence and bind operations on sequences. As a bonus, we also have "turn a sequence back into a value". Those op...
How to save a BufferedImage as a File
... that are installed and any of these names may be used as a format name to select an image writer.
For a full and practical example, one can refer to Oracle's SaveImage.java example.
share
|
improv...
Difference between GIT and CVS
...neral distributed version control systems, such as Git, provide much wider selection of possible workflows. With centralized version control systems, such as CVS, by necessity you have to distinguish between people with commit access to repository, and those without... and CVS doesn't offer any tool...
What is the _snowman param in Ruby on Rails 3 forms for?
...orrectly concatenates the utf8 parameter and its value with the value of a selection option in the form.
– Christer Fernstrom
May 28 '14 at 16:30
add a comment
...
Filter rows which contain a certain string
... @MySchizoBuddy: If the column name contains white space, you can select the variable using backticks. Modifying the example above: mtcars$`my type` <- rownames(mtcars) and then mtcars %>% filter(grepl('Toyota|Mazda', `my type`))
– alex23lemm
Ju...
What is the difference between required and ng-required?
...ld B - say, a student number - if the field A has a certain value - if you selected "student" as a choice)
As an example, <input required> and <input ng-required="true"> are essentially the same thing
If you are wondering why this is this way, (and not just make <input required="tru...
How to profile a bash shell script slow startup?
...e set -x later and set +x earlier (or bracket several sections of interest selectively).
Although it's not as fine-grained as GNU date's nanoseconds, Bash 5 includes a variable which gives the time in microseconds. Using it saves you from spawning an external executable for every line and works on ...
PDO Prepared Inserts multiple rows in single query
... INSERT statements instead of building out as a single string query as the selected answer did. I decided to run a simple test with just two fields and a very basic insert statement:
<?php
require('conn.php');
$fname = 'J';
$lname = 'M';
$time_start = microtime(true);
$stmt = $db->prepare('...