大约有 40,000 项符合查询结果（耗时：0.0490秒） [XML]
How to find out what group a given user has?
... done|sed s/\:/\,/g|tr -d ' '|sed -e "s/^/$HOSTNAME,/"> /tmp/"$HOSTNAME"_inventory.txt
sudo cat /etc/sudoers| grep -v "^#"|awk '{print $1}'|grep -v Defaults|sed '/^$/d;s/[[:blank:]]//g'>/tmp/"$HOSTNAME"_sudo.txt
paste -d , /tmp/"$HOSTNAME"_inventory.txt /tmp/"$HOSTNAME"_sudo.txt|sed 's/,[[:b...
Read file data without saving it in Flask
... quick example: file = request.files.get('file') filetype = magic.from_buffer(file.read(1024))
– endolith
Dec 26 '14 at 20:00
7
...
Is there Selected Tab Changed Event in the standard WPF Tab Control
...
I tied this in the handler to make it work:
void TabControl_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.Source is TabControl)
{
//do work when tab is changed
}
}
sh...
Add new field to every document in a MongoDB collection
...
> db.foo.find()
> db.foo.insert({"test":"a"})
> db.foo.find()
{ "_id" : ObjectId("4e93037bbf6f1dd3a0a9541a"), "test" : "a" }
> item = db.foo.findOne()
{ "_id" : ObjectId("4e93037bbf6f1dd3a0a9541a"), "test" : "a" }
> db.foo.update({"_id" :ObjectId("4e93037bbf6f1dd3a0a9541a") },{$set :...
HTML anchor link - href and onclick both?
...ing a clean HTML Structure, you can use this.
//Jquery Code
$('a#link_1').click(function(e){
e . preventDefault () ;
var a = e . target ;
window . open ( '_top' , a . getAttribute ('href') ) ;
});
//Normal Code
element = document . getElementById ( 'link_1' ) ;
element . onClick...
Cross field validation with Hibernate Validator (JSR 303)
...ation.Documented;
import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.ElementType.TYPE;
import java.lang.annotation.Retention;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Target;
/**
* Validation annotation ...
Python: reload component Y imported with 'from X import Y'?
... This doesn't seem to work always. I have a module Foo which has an __init__.py that fetches a submodule... I'll post an answer as a counterexample.
– Jason S
Oct 17 '17 at 22:32
...
ERROR:'keytool' is not recognized as an internal or external command, operable program or batch file
... C:\Program Files\Java\jdk1.6.0_21\bin>keytool -list -alias androiddebugkey -keystore .android\debug.keystore -storepass android -keypass android. the error i got is keytool error: java.lang.Exception: Key...
How do I detect whether a Python variable is a function?
...obj)
If this is for Python 3.x but before 3.2, check if the object has a __call__ attribute. You can do this with:
hasattr(obj, '__call__')
The oft-suggested types.FunctionTypes approach is not correct because it fails to cover many cases that you would presumably want it to pass, like with bui...
Deprecated: mysql_connect()
...em.
The way with MySQLi would be like this:
<?php
$connection = mysqli_connect('localhost', 'username', 'password', 'database');
To run database queries is also simple and nearly identical with the old way:
<?php
// Old way
mysql_query('CREATE TEMPORARY TABLE `table`', $connection);
// Ne...