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How do I make python wait for a pressed key?
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@Solarsaturn9 and an increasing and large number do not. Thus this answer did not work for me, and the many other that come here.
– ctrl-alt-delor
Oct 22 '15 at 22:00
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SQL-Server: Error - Exclusive access could not be obtained because the database is in use
...@@spid
while (@spid is not null)
begin
print 'Killing process ' + cast(@spid as varchar) + ' ...'
set @sql = 'kill ' + cast(@spid as varchar)
exec (@sql)
select
@spid = min(spid)
from
master..sysprocesses
where
dbid = db_id('<database_n...
Node.js - Find home directory in platform agnostic way
...indows a user's home directory might be C:\Users[USERNAME] or C:\Documents and Settings[USERNAME] depending on which version of Windows is being used. On Unix this isn't an issue.
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Authorize a non-admin developer in Xcode / Mac OS
I use a standard user account for my daily tasks on Mac OS. Since upgrading to Snow Leopard I am asked to do the following when a program is run from within Xcode:
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How to check if a table exists in a given schema
... dba.SE discussing "Information schema vs. system catalogs"
Alternative: cast to regclass
SELECT 'schema_name.table_name'::regclass
This raises an exception if the (optionally schema-qualified) table (or other object occupying that name) does not exist.
If you do not schema-qualify the table n...
What is the difference between Swing and AWT?
Can someone please explain me what's the difference between Swing and AWT?
8 Answers
8...
How do you determine what SQL Tables have an identity column programmatically
...alue
, CASE
WHEN last_value < 0 THEN 100
ELSE (1 - CAST(last_value AS FLOAT(4)) / max_value) * 100
END AS [percentLeft]
, CASE
WHEN CAST(last_value AS FLOAT(4)) / max_value >= @threshold
THEN 'warning: approaching max limit'
ELSE 'ok...
Python: Making a beep noise
...this is to print('\a'). This will send the ASCII Bell character to stdout, and will hopefully generate a beep (a for 'alert'). Note that many modern terminal emulators provide the option to ignore bell characters.
Since you're on Windows, you'll be happy to hear that Windows has its own (brace yours...
Convert.ChangeType() fails on Nullable Types
...ample, but this is a relatively robust approach, and separates the task of casting from unknown value to unknown type
I have a TryCast method that does something similar, and takes nullable types into account.
public static bool TryCast<T>(this object value, out T result)
{
var type = ty...
Redirect stdout pipe of child process in Go
...d. (That's a problem because this server-like program runs for a long time and I want to read the log output)
3 Answers
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