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Change column type from string to float in Pandas
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You have four main options for converting types in pandas:
to_numeric() - provides functionality to safely convert non-numeric types (e.g. strings) to a suitable numeric type. (See also to_datetime() and to_timedelta().)
astype() - convert (almost) any type to (almost) any other type ...
NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
... those conditions and change the app flow:
public static boolean isSamsung_4_2_2() {
String deviceMan = Build.MANUFACTURER;
String deviceRel = Build.VERSION.RELEASE;
return "samsung".equalsIgnoreCase(deviceMan) && deviceRel.startsWith("4.2.2");
}
Then in the activity's onCreat...
Finding a branch point with Git?
...rom the list, but this isn't the simplest way.
– Matt_G
Feb 9 '18 at 16:40
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C/C++ line number
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You should use the preprocessor macro __LINE__ and __FILE__. They are predefined macros and part of the C/C++ standard. During preprocessing, they are replaced respectively by a constant string holding an integer representing the current line number and by the cu...
Why does modern Perl avoid UTF-8 by default?
...???????????????????????????????????????????????????????????
Set your PERL_UNICODE envariable to AS. This makes all Perl scripts decode @ARGV as UTF‑8 strings, and sets the encoding of all three of stdin, stdout, and stderr to UTF‑8. Both these are global effects, not lexical ones.
At the top o...
How to send multiple data fields via Ajax? [closed]
...ries[0] = 'ga';
countries[1] = 'cd';
after that you can do like:
var new_countries = countries.join(',')
after:
$.ajax({
type: "POST",
url: "Concessions.aspx/GetConcessions",
data: new_countries,
...
This thing work as JSON string format.
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Why does the MongoDB Java driver use a random number generator in a conditional?
... laws it is a trivial observation that this piece of code amounts to
if (!_ok && Math.random() <= 0.1)
return res;
The commit that originally introduced this logic had
if (_ok == true) {
_logger.log( Level.WARNING , "Server seen down: " + _addr, e );
} else if (Math.random() < 0...
Get full path of the files in PowerShell
...ach loop, like so:
get-childitem "C:\windows\System32" -recurse | where {$_.extension -eq ".txt"} | % {
Write-Host $_.FullName
}
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What are best practices for validating email addresses on iOS 2.0
... *) candidate {
NSString *emailRegex =
@"(?:[a-z0-9!#$%\\&'*+/=?\\^_`{|}~-]+(?:\\.[a-z0-9!#$%\\&'*+/=?\\^_`{|}"
@"~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\"
@"x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])*\")@(?:(?:[a-z0-9](?:[a-"
@"z0-9-]*[a-z0-9])?\\.)+[a-z0-...
jQuery Validate Plugin - Trigger validation of single field
...e end so it looked for me $("#Form").data('validator').element('input[name=__Suburb]').valid(); I believe that if you do not select it by ID this might be required.
– Mihai P.
Jan 15 '15 at 0:10
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