大约有 47,000 项符合查询结果(耗时:0.0602秒) [XML]
Insert into … values ( SELECT … FROM … )
...2, someInt, someVarChar )
SELECT table2.column1, table2.column2, 8, 'some string etc.'
FROM table2
WHERE table2.ID = 7;
I've only used this syntax with Access, SQL 2000/2005/Express, MySQL, and PostgreSQL, so those should be covered. It should also work with SQLite3.
...
Setting an environment variable before a command in Bash is not working for the second command in a
... process (like the accepted answer) nor will it execute the commands in an extra subshell (like the other answer).
As we get a few regular views, it's probably good to give an alternative to eval that will please everyone, and has all the benefits (and perhaps even more!) of this quick eval “tric...
Check list of words in another string [duplicate]
...nal: and if you want to check that all words from that list are inside the string, just replace any() above with all()
– Nas Banov
Jul 17 '10 at 23:23
17
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Are there conventions on how to name resources?
...widget/container>_<name>
I do the same strategy for any dimens, strings, numbers, and colors I use in those layouts. However, I do try generalizing. e.g if all buttons have a common textColor, I won't prefix the name with the layout. The resource name would be 'button_textColor'. If all t...
To underscore or to not to underscore, that is the question
... context of the current instance
Example
public class Demo
{
private String name;
public Demo(String name) {
this.name = name;
}
}
Why does the underscore-notation exist?
Some people don't like typing "this", but they still need a way to distinguish a field and a parameter, so ...
How to import an excel file in to a MySQL database
... to import spreadsheet data into a MySQL database that doesn't rely on any extra software. Let's assume you want to import your Excel table into the sales table of a MySQL database named mydatabase.
Select the relevant cells:
Paste into Mr. Data Converter and select the output as MySQL:
Change...
What's wrong with Groovy multi-line String?
...two try to make "test" positive (and this is where it fails)
With the new String constructor method, the Groovy parser is still in the constructor (as the brace hasn't yet closed), so it can logically join the three lines together into a single statement
For true multi-line Strings, you can also u...
How to make pipes work with Runtime.exec()?
...ds.
Pipe is a part of the shell, so you can also do something like this:
String[] cmd = {
"/bin/sh",
"-c",
"ls /etc | grep release"
};
Process p = Runtime.getRuntime().exec(cmd);
share
|
improve...
counting number of directories in a specific directory
... use shell_exec() function to execute command line and return results to a string. i.e. $dirCount = shell_exec('ls -l | grep -c ^d');
– gigabyte
Apr 13 '19 at 20:44
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How to convert Strings to and from UTF8 byte arrays in Java
In Java, I have a String and I want to encode it as a byte array (in UTF8, or some other encoding). Alternately, I have a byte array (in some known encoding) and I want to convert it into a Java String. How do I do these conversions?
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