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How to retrieve the hash for the current commit in Git?
... object name. Otherwise barf and abort.
– Linus Unnebäck
Jul 24 '11 at 17:50
661
git rev-parse -...
How to prevent custom views from losing state across screen orientation changes
...erclass), not public. No reason to expose them...
– XåpplI'-I0llwlg'I -
Jan 11 '13 at 10:27
7
...
What is the difference between native code, machine code and assembly code?
...od.
The second column is the machine code. The actual 1s and 0s that the CPU executes. Machine code, like here, is commonly displayed in hex. Illustrative perhaps is that 0x8B selects the MOV instruction, the additional bytes are there to tell the CPU exactly what needs to be moved. Also note t...
Make browser window blink in task Bar
...AA flag, so I'm following consensus here.
– Jean-François Fabre♦
May 7 '19 at 12:39
add a ...
How expensive is the lock statement?
...hat this is impossible to quantify, it heavily depends on the state of the CPU memory write-back buffers and how much data that the prefetcher gathered has to be discarded and re-read. Which are both very non-deterministic. I use 150 CPU cycles as a back-of-the-envelope approximation that avoids m...
A python class that acts like dict
...dited Oct 19 '12 at 15:21
Kim Gräsman
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answered Oct 25 '10 at 13:39
...
targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
...answered Mar 4 '16 at 14:14
André AbreuAndré Abreu
60055 silver badges1212 bronze badges
...
Understanding keystore, certificates and alias
...ed Apr 20 '11 at 2:30
Julio GorgéJulio Gorgé
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...
Detecting syllables in a word
...n a single room somewhere in e.g. London.
– Jean-François Corbett
Jan 14 '12 at 14:06
One must keep in mind that it i...
Select n random rows from SQL Server table
...ISTICS IO ON
/* newid()
rows returned: 10000
logical reads: 3359
CPU time: 3312 ms
elapsed time = 3359 ms
*/
SELECT TOP 1 PERCENT Number
FROM Numbers
ORDER BY newid()
/* TABLESAMPLE
rows returned: 9269 (varies)
logical reads: 32
CPU time: 0 ms
elapsed time: 5 ms
*/
SELECT N...