大约有 17,000 项符合查询结果（耗时：0.0417秒） [XML]
PostgreSQL: How to pass parameters from command line?
...and then refer to the variables in sql as :v1, :v2 etc
select * from table_1 where id = :v1;
Please pay attention on how we pass string/date value using two quotes " '...' "
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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
...swered Jun 17 '16 at 15:20
James_picJames_pic
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Callback functions in Java
... answered Nov 6 '14 at 10:02
Juh_Juh_
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Permanently add a directory to PYTHONPATH?
...ers/joey/repos but it did not work because my repos directory did not have _init_.py. Going down one directory further: /Users/joey/repos/specificRepo did the trick. Now python can traverse any downward directory connected to the specificRepo directory that contains a init.py !
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When should the volatile keyword be used in C#?
...t;< j;
0040103E push ecx
0040103F mov ecx,dword ptr [__imp_std::cout (40203Ch)]
00401045 call dword ptr [__imp_std::basic_ostream<char,std::char_traits<char> >::operator<< (402038h)]
}
0040104B xor eax,eax
0040104D pop ecx
004010...
Is it possible to rotate a drawable in the xml description?
..."
android:pivotY="50%"
android:drawable="@drawable/mainmenu_background">
</rotate>
The fromDegrees is important.
Basically this is a rotate animation defined in XML. With fromDegrees you define the initial rotated state. The toDegrees is the final rotated state of the dra...
Creating a simple XML file using python
...know how to add that exact string, since ElementTree seems to only obey xml_declaration=True if you specify an encoding... but, to get equivalent behaviour, call tree.write() like this: tree.write("filename.xml", xml_declaration=True, encoding='utf-8') You can use any encoding as long as you explici...
How do I create a file and write to it in Java?
...ths.get("the-file-name.txt");
Files.write(file, lines, StandardCharsets.UTF_8);
//Files.write(file, lines, StandardCharsets.UTF_8, StandardOpenOption.APPEND);
Creating a binary file:
byte data[] = ...
Path file = Paths.get("the-file-name");
Files.write(file, data);
//Files.write(file, data, Stand...
Improve INSERT-per-second performance of SQLite
... versions of SQLite - Consider a less paranoid journal mode (pragma journal_mode). There is NORMAL, and then there is OFF, which can significantly increase insert speed if you're not too worried about the database possibly getting corrupted if the OS crashes. If your application crashes the data sho...
How to increment a datetime by one day?
...vedelta
print 'Today: ',datetime.now().strftime('%d/%m/%Y %H:%M:%S')
date_after_month = datetime.now()+ relativedelta(day=1)
print 'After a Days:', date_after_month.strftime('%d/%m/%Y %H:%M:%S')
Output:
Today: 25/06/2015 20:41:44
After a Days: 01/06/2015 20:41:44
...