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Using multiple delimiters in awk
...erl code
Perl is closely related to awk, however, the @F autosplit array starts at index $F[0] while awk fields start with $1.
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How can I strip first and last double quotes?
...you process have double quotes you can use something like this:
if string.startswith('"') and string.endswith('"'):
string = string[1:-1]
Edit:
I'm sure that you just used string as the variable name for exemplification here and in your real code it has a useful name, but I feel obliged to w...
Unable to begin a distributed transaction
....asp.
Running
msdtc -uninstall
msdtc -install
and then stopping and restarting SQL Server service fixed it.
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What kind of Garbage Collection does Go use?
...lem in Go 1.5")
To achieve the same heap growth limit the runtime must start garbage collection earlier, but how much earlier depends on many variables, many of which cannot be predicted.
Start the collector too early, and the application will perform too many garbage collections, wast...
Is using Random and OrderBy a good shuffle algorithm?
... is to yield the numbers as soon as they are swapped. This will reduce the start-up cost, while keeping the iteration cost at O(1) (basically 5 operations per iteration). The total cost would remain the same, but the shuffling itself would be quicker. In cases where this is called as collection.Shuf...
UITableView - scroll to the top
...rst object is going to be section 0, row 0. May be that my table view will start from section number 5.
34 Answers
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Redirecting stdout to “nothing” in python
...stuvwxyz1234567890"):
temp = sys.stdout
sys.stdout = out
i = 0
start_t = datetime.datetime.now()
while i < it:
print st
i = i+1
end_t = datetime.datetime.now()
sys.stdout = temp
print out, "\n took", end_t - start_t, "for", it, "iterations"
class devnull():
...
GDB corrupted stack frame - How to debug?
...al purpose registers and LR are stored in stack before the called function starts executing. Once the function finishes, the value of LR is poped into PC and hence the function returns. So If stack is corrupted, we can see a wrong value is PC right? In this case may be adjusting stack pointer will l...
How to Batch Rename Files in a macOS Terminal?
...mv "$f" "${f/_*_/_}"; done
Note: If there's a chance that your filenames start with -, place -- before them[1]:
mv -- "$f" "${f/_*_/_}"
Note: echo is prepended to mv so as to perform a dry run. Remove it to perform actual renaming.
You can run it from the command line or use it in a script.
"...
Convert .pem to .crt and .key
...ad certificate 140584440387400:error:0906D06C:PEM routines:PEM_read_bio:no start line:pem_lib.c:703:Expecting: TRUSTED CERTIFICATE
– Damien Carol
May 20 '15 at 13:57
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