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MySQL: @variable vs. variable. What's the difference?
...trast with MSSQL, where the variable will only be available in the current batch of queries (stored procedure, script, or otherwise). It will not be available in a different batch in the same session.
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
...find useful for your purposes:
Memory Efficient Django QuerySet iterator
batch querysets
QuerySet Foreach
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How do I run a program with commandline arguments using GDB within a Bash script?
...'run') and give it as argument: -x /tmp/cmds. Optionally you can run with -batch mode.
gdb -batch -x /tmp/cmds --args executablename arg1 arg2 arg3
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ORA-30926: unable to get a stable set of rows in the source tables
...vity or a non-deterministic where clause.
The merge was part of a larger batch, and was executed on a live database with many concurrent users. There was no need to change the statement. I just committed the transaction before the merge, then ran the merge separately, and committed again. So the s...
Unable to run app in Simulator: Xcode beta 6 iOS 8
I am unable to launch my app on simulator using Xcode 6 beta and iPhone 5s simulator.
First I am getting an error message from Simulator
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Is DateTime.Now the best way to measure a function's performance?
... that you may be able to call it repeatedly and compute the average of the batch of calls. Also, time an entire batch of calls rather than starting/stopping your Stopwatch to avoid a strobe-effect that will muddy your timing measurements.
– devgeezer
Apr 11 '12...
Hidden Features of SQL Server
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In Management Studio, you can put a number after a GO end-of-batch marker to cause the batch to be repeated that number of times:
PRINT 'X'
GO 10
Will print 'X' 10 times. This can save you from tedious copy/pasting when doing repetitive stuff.
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Is there some way to PUSH data from web server to browser?
...llcenter control panel" of a web app that involved updating agent and call-queue status for a live Callcenter we developed an in-house solution that works, but is far away from a library you could use.
What we did was to implement a small service on the server that talks to the phone-system, waits ...
“Cannot connect to iTunes Store” in-app purchases
I am having problems testing my in-app purchases. I get back valid product identifiers, but upon purchase I receive the dreaded "Cannot connect to iTunes Store". Interesting thing is that restore purchases seems to work - iTunes login pops up.
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Improve INSERT-per-second performance of SQLite
... @Jess: If you follow the link, you'll see that he meant the batch insert syntax.
– Alix Axel
Oct 15 '13 at 8:23
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