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How to discover number of *logical* cores on Mac OS X?
How can you tell, from the command line, how many cores are on the machine when you're running Mac OS X? On Linux, I use:
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Addressing localhost from a VirtualBox virtual machine [closed]
...-> Network -> Host-only Networks -> click the "+" icon. Click OK.
Select your box and click the "Settings" icon -> Network -> Adapter 2 -> On the "Attached to:" dropdown, select "Host-only Adapter" and your network (vboxnet0) should show up below by default. Click OK.
Once you star...
How to debug Lock wait timeout exceeded on MySQL?
...query, all the tables being accessed are candidates for being the culprit.
From there, you should be able to run SHOW ENGINE INNODB STATUS\G
You should be able to see the affected table(s)
You get all kinds of additional Locking and Mutex Information.
Here is a sample from one of my clients:
mysql&g...
How to get the PATH environment-variable separator in Python?
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You are right, thanks! My confusion came from that fact that actually I was looking for the '\' and '/' system-specific separator (which is os.path.sep) whereas this page was proposed as one of the search results.
– DVV
Mar 7 '...
Correct approach to global logging in Golang
...or application logging in Go? If I've got, say, 5 goroutines I need to log from, should I...
7 Answers
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How to create a self-signed certificate for a domain name for development?
...g the IIS Manager
Launch the IIS Manager
At the server level, under IIS, select Server Certificates
On the right hand side under Actions select Create Self-Signed Certificate
Where it says "Specify a friendly name for the certificate" type in an appropriate name for reference.
Examples: www.dom...
What kind of virtual machine is BEAM (the Erlang VM)?
From what I understand a virtual machine falls into two categories either "system virtual machine" or a "process virtual machine". It's kind of fuzzy to me where BEAM lies. Is there another kind of virtual machine I am not aware of?
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How to delete (not cut) in Vim?
...while <leader>d deletes for real and <leader>p throws away the selected text and pastes the content of the default register. <leader>p allows me to paste the same text multiple times without having to use named registers.
– romainl
Aug 16 '12 ...
What do Clustered and Non clustered index actually mean?
...CLARE @C1 AS CURSOR,
@X AS INT
SET @C1 = CURSOR FAST_FORWARD
FOR SELECT number
FROM master..spt_values
WHERE type = 'P'
AND number BETWEEN 1 AND 100
ORDER BY CRYPT_GEN_RANDOM(4)
OPEN @C1;
FETCH NEXT FROM @C1 INTO @X;
WHILE @@FETCH_STATUS = 0
BEGIN
INSE...
Xcode debugging - displaying images
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Use Quick Look to inspect images in the Xcode debugger.
Select an NSImage or UIImage in the debugger, then click the Quick Look "eye" icon.
Like other areas of OS X, you can also use spacebar to Quick Look!
Quick Look in the debugger can also be implemented for your own classes:...