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How to profile methods in Scala?
... You can add a label to your prints with some currying: def time[R](label: String)(block: => R): R = { then add the label to the println
– Glenn 'devalias'
Jan 7 '17 at 23:52
...
Pretty-print an entire Pandas Series / DataFrame
...
No need to hack settings. There is a simple way:
print(df.to_string())
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AJAX Mailchimp signup form integration
...sult != "success") {
// Something went wrong, parse data.msg string and display message
} else {
// It worked, so hide form and display thank-you message.
}
}
});
return false;
});
...
Can I have an IF block in DOS batch file?
...elon and @rkagerer are pointing out specific issues of a general rule that strings need to be quoted. You should never code IF %somevar%==example_string2 it should always be code so operand resolve to IF "value_of_somevar"=="example_string2" to avoid special characters in either st...
UTF-8 all the way through
...econd parameter.
Input:
Unfortunately, you should verify every received string as being valid UTF-8 before you try to store it or use it anywhere. PHP's mb_check_encoding() does the trick, but you have to use it religiously. There's really no way around this, as malicious clients can submit dat...
how to File.listFiles in alphabetical order?
...ith "xml" just do:
Files.list(Paths.get(dirName))
.filter(s -> s.toString().endsWith(".xml"))
.sorted()
.forEach(System.out::println)
Again, replace the printing with whichever processing operation you would like.
...
How to redirect 404 errors to a page in ExpressJS?
...r code but using res.json will do some magic in auto-converting objects to strings where .send() won't. Better safe than sorry. expressjs.com/api.html#res.json
– wgp
Dec 12 '14 at 18:54
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@RequestParam vs @PathVariable
...equest, the values for param1 and param2 can be accessed as below:
public String getDetails(
@RequestParam(value="param1", required=true) String param1,
@RequestParam(value="param2", required=false) String param2){
...
}
The following are the list of parameters supported by the @Reque...
Debug vs Release in CMake
...
Instead of manipulating the CMAKE_CXX_FLAGS strings directly (which could be done more nicely using string(APPEND CMAKE_CXX_FLAGS_DEBUG " -g3") btw), you can use add_compiler_options:
add_compile_options(
"-Wall" "-Wpedantic" "-Wextra" "-fexceptions"
"$<$<CO...
Android Studio says “cannot resolve symbol” but project compiles
...Android Studio reported me all the Classes of SDK cannot resolved(included String, Integer, TextView etc.). before that, aStudio also told me she cannot find out the android-14 SDK which I used to compile my projects. I ignored that so the problems occurred. finally, I found this answer and follow, ...