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How to check which locks are held on a table
...AS P
ON P.hobt_id = TL.resource_associated_entity_id
LEFT OUTER JOIN sys.allocation_units AS AU
ON AU.allocation_unit_id = TL.resource_associated_entity_id;
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How to determine CPU and memory consumption from inside a process?
... 4294967295 0 0 17 0 0 0 0
The important data here are the 13th and 14th tokens (0 and 770 here). The 13th token is the number of jiffies that the process has executed in user mode, and the 14th is the number of jiffies that the process has executed in kernel mode. Add the two together, and you ...
Is it safe to parse a /proc/ file?
... dest, destp, sp->sk_state,
atomic_read(&sp->sk_wmem_alloc),
atomic_read(&sp->sk_rmem_alloc),
0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
which outputs
[wa...
Weak and strong property setter attributes in Objective-C
...t point to it anymore"
- in other words " I'am the owner, you cannot dealloc this before aim fine with that same as retain"
- You use strong only if you need to retain the object.
- By default all instance variables and local variables are strong pointers.
- We generally use strong f...
How do you loop in a Windows batch file?
...do I use for loop to get inside a previously set variable? I tried for /F "tokens=2 delims=," %%i in ( %a% ) do ( ….. but this doesn't work. It fails saying " ( was unexpected at this time"
– Shivani
Jan 3 at 10:57
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get current url in twig template?
...ntains all sorts of useful shortcuts, such as app.session and app.security.token.user, that reference the services you might use in a controller.
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Speed up the loop operation in R
...s, then fill them in, rather than expanding them each
time.
Even with pre-allocation, you could switch to a pass-by-reference approach rather than a pass-by-value approach, but it may not be worth the hassle.
Take a look at the R Inferno for more pitfalls to avoid.
Try for better vectorization...
Format date and time in a Windows batch script
...mp;1 || GOTO s_error
:: Use WMIC to retrieve date and time
FOR /F "skip=1 tokens=1-6" %%G IN ('WMIC Path Win32_LocalTime Get Day^,Hour^,Minute^,Month^,Second^,Year /Format:table') DO (
IF "%%~L"=="" goto s_done
Set _yyyy=%%L
Set _mm=00%%J
Set _dd=00%%G
Set _hour=00%%H
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How to use multiple AWS Accounts from the command line?
...ole, which will return a temporary access key ID, secret key, and security token that can then be used to sign future API calls. Formerly, to achieve secure cross-account, role-based access from the AWS Command Line Interface (CLI), an explicit call to STS:AssumeRole was required, and your long-term...
How to generate a random string in Ruby
...
Here is the version always producing tokens of the desired length: (36**(length-1) + rand(36**length - 36**(length-1))).to_s(36)
– Adrien Jarthon
Jan 10 '13 at 21:10
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