大约有 47,000 项符合查询结果（耗时：0.0356秒） [XML]
How do you sort a list in Jinja2?
...'s built-in sort filter allows you to specify an attribute to sort by:
{% for movie in movie_list|sort(attribute='rating') %}
See http://jinja.pocoo.org/docs/templates/#sort
share
|
improve this ...
Python Script execute commands in Terminal
..."ls -l")
More complex things can be achieved with the subprocess module:
for example:
import subprocess
test = subprocess.Popen(["ping","-W","2","-c", "1", "192.168.1.70"], stdout=subprocess.PIPE)
output = test.communicate()[0]
...
How do I view the SQL generated by the Entity Framework?
...
You won't get SQL for queries ending with .Single(), .Count(), .Any(), etc. that way.
– springy76
Feb 27 '13 at 12:31
...
Email Address Validation in Android on EditText [duplicate]
How can we perform Email Validation on edittext in android ? I have gone through google & SO but I didn't find out a simple way to validate it.
...
How can I use UUIDs in SQLAlchemy?
...n itself with uuid.uuid4(). Otherwise, you will have the same scalar value for all instances of this class. More details here:
A scalar, Python callable, or ColumnElement expression representing the default value for this column, which will be invoked upon insert if this column is otherwise not ...
Sort Go map values by keys
...ys in slice in sorted order
keys := make([]int, len(m))
i := 0
for k := range m {
keys[i] = k
i++
}
sort.Ints(keys)
// To perform the opertion you want
for _, k := range keys {
fmt.Println("Key:", k, "Value:", m[k])
}
}
Output:
Key: 0 Value: ...
Javascript/DOM: How to remove all events of a DOM object?
...
I am not sure what you mean with remove all events. Remove all handlers for a specific type of event or all event handlers for one type?
Remove all event handlers
If you want to remove all event handlers (of any type), you could clone the element and replace it with its clone:
var clone = elem...
Ignore .pyc files in git repository
...contain a slash /, git treats it as a shell
glob pattern and checks for a match against the pathname relative
to the location of the .gitignore file (relative to the toplevel of
the work tree if not from a .gitignore file).
· Otherwise, git treats the pattern as a shell gl...
How do you get a list of the names of all files present in a directory in Node.js?
...t fs = require('fs');
fs.readdir(testFolder, (err, files) => {
files.forEach(file => {
console.log(file);
});
});
fs.readdirSync
const testFolder = './tests/';
const fs = require('fs');
fs.readdirSync(testFolder).forEach(file => {
console.log(file);
});
The difference betwe...
Best way to allow plugins for a PHP application
...hp
/** Plugin system **/
$listeners = array();
/* Create an entry point for plugins */
function hook() {
global $listeners;
$num_args = func_num_args();
$args = func_get_args();
if($num_args < 2)
trigger_error("Insufficient arguments", E_USER_ERROR);
// Hook name...