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Can't use method return value in write context
...This isn't true - empty() covers many more possibilities than just a blank string
– Robbie Averill
Apr 7 '15 at 3:44
3
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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
...cle Database 11g Release 2 and above - by default, no, but an alternative called edition-based redefinition exists
Older versions of Oracle - no; DDL causes an implicit commit
SQL Server - yes
Sybase Adaptive Server - yes
DB2 - yes
Informix - yes
Firebird (Interbase) - yes
SQLite also appears to h...
How to loop through all the files in a directory in c # .net?
...
string[] files =
Directory.GetFiles(txtPath.Text, "*ProfileHandler.cs", SearchOption.AllDirectories);
That last parameter effects exactly what you're referring to. Set it to AllDirectories for every file including in s...
CSS background-image - What is the correct usage?
...of the CSS background-image property?
The key things I am trying to understand is
10 Answers
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Can scripts be inserted with innerHTML?
...quest : Syntax error missing ; before statement at the start of the script string
– Oliver
Aug 3 '14 at 2:30
How do yo...
If list index exists, do X
In my program, user inputs number n , and then inputs n number of strings, which get stored in a list.
12 Answers
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Adding div element to body or document in JavaScript
...unnecessary computation because the browser needs to parse the 'something' string and that takes a lot in a big page. A much more performant approach is to create the new element and attach it to the DOM. Check this comparision on jsperf: jsperf.com/innerhtml-vs-appendchild2
– ...
Extracting hours from a DateTime (SQL Server 2005)
I can extract the month and day by using Day(Date()) , Month(Date()) . I can't extract hours, with HOUR(Date()) . I get the following error.
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Can I have H2 autocreate a schema in an in-memory database?
...ents when connecting. You could run a script, or just a statement or two:
String url = "jdbc:h2:mem:test;" +
"INIT=CREATE SCHEMA IF NOT EXISTS TEST"
String url = "jdbc:h2:mem:test;" +
"INIT=CREATE SCHEMA IF NOT EXISTS TEST\\;" +
"SET SCHEMA TEST";
Stri...
Kill process by name?
...t, err = p.communicate()
gives you ps -A's output in the out variable (a string). You can break it down into lines and loop on them...:
>>> for line in out.splitlines():
... if 'iChat' in line:
... pid = int(line.split(None, 1)[0])
... os.kill(pid, signal.SIGKILL)
...
(you ...