大约有 40,000 项符合查询结果（耗时：0.0250秒） [XML]
Display block without 100% width
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Use display: table.
This answer must be at least 30 characters; I entered 20, so here's a few more.
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“Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP
...find a sub-directory called sql.
In sql you will find a file called create_tables.sql. Open it in a text editor.
In phpMyAdmin, select the phpmyadmin database and click on the "SQL" tab.
Copy/paste the entire text from create_tables.sql into the text box, and run the query.
Open the config.inc.php f...
Why are Oracle table/column/index names limited to 30 characters?
...haracters long. Allowing every line of code that goes something like
l_table_name VARCHAR2(30);
BEGIN
SELECT table_name
INTO l_table_name
FROM dba_tables
WHERE ...
to suddenly break because the DBA 15 years ago used VARCHAR2(30) rather than DBA_TABLES.TABLE_NAME%TYPE in the script...
How to change the type of a field?
...big deal no matter how you do it. If you were using SQL and this was a big table you would probably have to take some down time.
– Gates VP
Jun 28 '16 at 18:16
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PowerShell script to return versions of .NET Framework on a machine?
...me, Version, Release
Based on the MSDN article, you could build a lookup table and return the marketing product version number for releases after 4.5:
$Lookup = @{
378389 = [version]'4.5'
378675 = [version]'4.5.1'
378758 = [version]'4.5.1'
379893 = [version]'4.5.2'
393295 = [v...
SQL DROP TABLE foreign key constraint
If I want to delete all the tables in my database like this, will it take care of the foreign key constraint? If not, how do I take care of that first?
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Inserting data into a temporary table
After having created a temporary table and declaring the data types like so;
12 Answers
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Difference between local and global indexes in DynamoDB
...l Secondary Indexes still rely on the original Hash Key.
When you supply a table with hash+range, think about the LSI as hash+range1, hash+range2.. hash+range6.
You get 5 more range attributes to query on.
Also, there is only one provisioned throughput.
Global Secondary Indexes defines a new paradi...
How to print a groupby object
...ibe():
grp = df.groupby['colName']
grp.describe()
This gives you a neat table.
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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
... a corollary answer: the people on [this site] have taken the time to make tables of macros defined for every OS/compiler pair.
For example, you can see that _WIN32 is NOT defined on Windows with Cygwin (POSIX), while it IS defined for compilation on Windows, Cygwin (non-POSIX), and MinGW with ever...