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Can I mix MySQL APIs in PHP?
...They are separate APIs and the resources they create are incompatible with one another.
There is a mysqli_close, though.
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Least common multiple for 3 or more numbers
... Ooooh textbook recursion :)
– Peter Wone
Sep 30 '08 at 13:24
10
a recursive algor...
F12 no longer works in Visual Studio
...bindings got mixed up and I had problems sorting them out.
If it is only one or two bindings you care about then you can change them by going to the
Tools->Customize->Keyboard menu option.
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Javascript - removing undefined fields from an object [duplicate]
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A one-liner using ES6 arrow function and ternary operator:
Object.keys(obj).forEach(key => obj[key] === undefined ? delete obj[key] : {});
Or use short-circuit evaluation instead of ternary: (@Matt Langlois, thanks for th...
What is a memory fence?
...ome tricks that a processor does to optimize code?:
The most important one would be memory access reordering.
Absent memory fences or serializing instructions, the processor is free to reorder memory accesses. Some processor architectures have restrictions on how much they can reorder; Alph...
Map a network drive to be used by a service
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For this hack you will need SysinternalsSuite by Mark Russinovich:
Step one:
Open an elevated cmd.exe prompt (Run as administrator)
Step two:
Elevate again to root using PSExec.exe:
Navigate to the folder containing SysinternalsSuite and execute the following command
psexec -i -s cmd.exe
you are...
Overriding !important style
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This could be replaced by a one-liner. See below: stackoverflow.com/questions/462537/…
– Premasagar
Oct 23 '09 at 11:20
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How does git compute file hashes?
... mentioning that it replaces "\r\n" with "\n", but leaves isolated "\r"s alone.
– user420667
May 24 '16 at 17:22
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How to track down a “double free or corruption” error
...ch will cause your program to abort at the point where the double free is done.
You can set this from gdb by using the set environment MALLOC_CHECK_ 2 command before running your program; the program should abort, with the free() call visible in the backtrace.
see the man page for malloc() for mor...
How can I determine installed SQL Server instances and their versions?
...em on my (non-networked) developer box; basically "sqlcmd -L" was the only one that worked, and only if the SQL Server Browser Service was running. Is that to be expected?
– Matt
Sep 27 '08 at 9:32
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