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Best practices for using Markers in SLF4J/Logback
...o much hassle. Simplified example:
...[Sandy][abcd] clicked on "change profile"
...[Joe][1234] clicked on "weather reports"
...[Joe][1234] clicked on "Europe"
...[Sandy][abcd] clicked on "logout"
...[Joe][1234] clicked on "logout"
...[Sandy][efgh] logged in
Here, you're using MDC in two places: f...
How do I get the current GPS location programmatically in Android?
...e how it works:
All we need to do is add this permission in the manifest file:
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
And create a LocationManager instance like this:
LocationManager locationManager = (LocationManager)
getSystemService(Context.LOCATION_...
SQL Server Script to create a new user
... protocol = TCP port = 1433 name = SQLPort mode = ENABLE scope = SUBNET profile = CURRENT
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Suppressing “is never used” and “is never assigned to” warnings in C#
I have a HTTPSystemDefinitions.cs file in C# project which basically describes the older windows ISAPI for consumption by managed code.
...
Large-scale design in Haskell? [closed]
... needless, as they rule out e.g. out of bounds errors statically.
The profiler
Provide objective evidence of your program's heap and time profiles.
Heap profiling, in particular, is the best way to ensure no unnecessary memory use.
Purity
Reduce complexity dramatically by removing state. Pur...
What is the use of interface constants?
...ce constants in an appropriately named private interface nested in a class file are also good practice to group all your private constants rather than scatter them all over the file.
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How can I profile C++ code running on Linux?
...
If your goal is to use a profiler, use one of the suggested ones.
However, if you're in a hurry and you can manually interrupt your program under the debugger while it's being subjectively slow, there's a simple way to find performance problems.
Just ...
Setting an object to null vs Dispose()
...es (non-memory resources). These could be UI handles, network connections, file handles etc. These are limited resources, so you generally want to release them as soon as you can. You should implement IDisposable whenever your type "owns" an unmanaged resource, either directly (usually via an IntPtr...
Reading output of a command into an array in Bash
...one line per element, there are essentially 3 ways:
With Bash≥4 use mapfile—it's the most efficient:
mapfile -t my_array < <( my_command )
Otherwise, a loop reading the output (slower, but safe):
my_array=()
while IFS= read -r line; do
my_array+=( "$line" )
done < <( my_comm...
Why is it slower to iterate over a small string than a small list?
...CONST 1 (<code object <listcomp> at 0x7f4d06b118a0, file "", line 4>)
#>>> 3 LOAD_CONST 2 ('list_iterate.<locals>.<listcomp>')
#>>> 6 MAKE_FUNCTION 0
#>>> 9 LOAD_CONST ...