大约有 47,000 项符合查询结果（耗时：0.0706秒） [XML]
What is the difference between varchar and nvarchar?
... NLS_CHARACTERSET option is set. You may be able to find it with the query SELECT value$ FROM sys.props$ WHERE name = 'NLS_CHARACTERSET'.
If your NLS_CHARACTERSET is a Unicode encoding like UTF8, great. Using VARCHAR and NVARCHAR are pretty much identical. Stop reading now, just go for it. Otherwis...
How does one change the language of the command line interface of Git?
...nment variables, in priority order:
LANGUAGE
LC_ALL
LC_xxx, according to selected locale category: LC_CTYPE, LC_NUMERIC, LC_TIME, LC_COLLATE, LC_MONETARY, LC_MESSAGES, ...
LANG
Variables whose value is set but is empty are ignored in this lookup.
LANG is the normal environment variable ...
How to create EditText with rounded corners? [closed]
...g="utf-8"?>
<!-- res/drawable/rounded_edittext_states.xml -->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:state_enabled="true"
android:drawable="@drawable/rounded_focused" />
&...
Check if string matches pattern
...ngs (and also return things... but for now just think of them grouping)
+ selects 1 or more
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How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
...ysqldump fare with large databases in terms of performance? Any way to use SELECT INTO OUTFILE and LOAD DATA smoothly in your suggested process? (Since they generally perform faster)
– Ifedi Okonkwo
Jul 12 '16 at 19:35
...
Postgres unique constraint vs index
...ead access to the table.
Adding a constraint does put a table lock (so all selects are blocked) since it is added via ALTER TABLE.
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How to get the title of HTML page with JavaScript?
...URL bar and then click enter:
javascript:alert(document.title);
You can select and copy the text from the alert depending on the website and the web browser you are using.
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
...d_safe --skip-grant-tables &
Log into MySQL using root
mysql -uroot
Select the MySQL database to use
use mysql;
Reset the password
-- MySQL version < 5.7
update user set password=PASSWORD("mynewpassword") where User='root';
-- MySQL 5.7, mysql.user table "password" field -> "authent...
Recommendations of Python REST (web services) framework? [closed]
...e service's logic is implemented only once, and the correct representation selection (Accept header) + dispatch to the proper render function (or template) is done in a tidy, transparent way.
$ curl localhost:8080/x
<html><body>Hello, x!</body></html>
$ curl -H "Accept: app...
Path to Powershell.exe (v 2.0)
...
Here is one way...
(Get-Process powershell | select -First 1).Path
Here is possibly a better way, as it returns the first hit on the path, just like if you had ran Powershell from a command prompt...
(Get-Command powershell.exe).Definition
...