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Check to see if python script is running
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edited Jan 4 '16 at 10:08
rightfold
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answe...
How can I create a copy of an Oracle table without copying the data?
... won't select any rows:
create table xyz_new as select * from xyz where 1=0;
Limitations
The following things will not be copied to the new table:
sequences
triggers
indexes
some constraints may not be copied
materialized view logs
This also does not handle partitions
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How to suppress “unused parameter” warnings in C?
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304
I usually write a macro like this:
#define UNUSED(x) (void)(x)
You can use this macro for al...
How to check if a file is empty in Bash?
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10 Answers
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Active
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Detecting that the browser has no mouse and is touch-only
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+200
The main trouble is that you have the following different classes of devices/use cases:
Mouse and keyboad (desktop)
Touch only (pho...
Difference between “on-heap” and “off-heap”
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edited Aug 22 '17 at 11:08
Arialdo Martini
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ans...
Altering a column: null to not null
...is undesirable for several reasons, so I am looking to update all nulls to 0 and then set these columns to NOT NULL . Aside from changing nulls to 0 , data must be preserved.
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What is the benefit of using $() instead of backticks in shell scripts?
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An example, though somewhat contrived:
deps=$(find /dir -name $(ls -1tr 201112[0-9][0-9]*.txt | tail -1l) -print)
which will give you a list of all files in the /dir directory tree which have the same name as the earliest dated text file from December 2011 (a).
Another example would be somethin...
How can I get the current stack trace in Java?
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+500
You can use Thread.currentThread().getStackTrace().
That returns an array of StackTraceElements that represent the current stack tra...
BackgroundWorker vs background Thread
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Naser Asadi
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answered Oct 1 '09 at 22:34
ParmesanCodiceParmesanCodice
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