大约有 44,994 项符合查询结果（耗时：0.0619秒） [XML]
How to change column datatype in SQL database without losing data
...this using the following command. Any value of 0 will be turned into a 0 (BIT = false), anything else will be turned into 1 (BIT = true).
ALTER TABLE dbo.YourTable
ALTER COLUMN YourColumnName BIT
The other option would be to create a new column of type BIT, fill it from the old column, and onc...
What is the difference between partitioning and bucketing a table in Hive ?
...
Partitioning data is often used for distributing load horizontally, this has performance benefit, and helps in organizing data in a logical fashion. Example: if we are dealing with a large employee table and often run queries wit...
Creating a system overlay window (always on top)
...
This might be a stupid solution. But it works. If you can improve it, please let me know.
OnCreate of your Service: I have used WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH flag. This is the only change in service.
@Override
public void onCreate() {...
How can I get the browser's scrollbar sizes?
...
From Alexandre Gomes Blog I have not tried it. Let me know if it works for you.
function getScrollBarWidth () {
var inner = document.createElement('p');
inner.style.width = "100%";
inner.style.height = "200px";
var outer = document.createElement('div');
o...
How to Get Element By Class in JavaScript?
I want to replace the contents within a html element so I'm using the following function for that:
11 Answers
...
pip install mysql-python fails with EnvironmentError: mysql_config not found
...
It seems mysql_config is missing on your system or the installer could not find it.
Be sure mysql_config is really installed.
For example on Debian/Ubuntu you must install the package:
sudo apt-get install libmysqlclient-de...
Get Android .apk file VersionName or VersionCode WITHOUT installing apk
...version name of my apk from the AndroidManifest.xml file after downloading it and without installing it.
8 Answers
...
Convert a negative number to a positive one in JavaScript
Is there a math function in JavaScript that converts numbers to positive value?
16 Answers
...
Git Checkout warning: unable to unlink files, permission denied
I am aware that there are similar issues about git relating to the 'unable to unlink' warning, but I have not been able to use them.
...
Post JSON using Python Requests
...nwards, you can alternatively use 'json' parameter in the call which makes it simpler.
>>> import requests
>>> r = requests.post('http://httpbin.org/post', json={"key": "value"})
>>> r.status_code
200
>>> r.json()
{'args': {},
'data': '{"key": "value"}',
'files...