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Getting command-line password input in Python
...ompt is on the stderr (you will also need import sys): getpass.getpass(<string>,sys.stderr)
– Philip Kearns
May 28 '19 at 9:29
...
Encrypt Password in Configuration Files? [closed]
...tKeySpec;
public class ProtectedConfigFile {
public static void main(String[] args) throws Exception {
String password = System.getProperty("password");
if (password == null) {
throw new IllegalArgumentException("Run with -Dpassword=<password>");
}
...
What is the difference between up-casting and down-casting with respect to class variable
...og.
Police Dog - Police Dog extends Pet Dog.
public class Dog{
public String getType () {
System.out.println("NormalDog");
return "NormalDog";
}
}
/**
* Pet Dog has an extra method dogName()
*/
public class PetDog extends Dog{
public String getType () {
System.ou...
How to POST raw whole JSON in the body of a Retrofit request?
...s JSON as the sole body of the request.
public class FooRequest {
final String foo;
final String bar;
FooRequest(String foo, String bar) {
this.foo = foo;
this.bar = bar;
}
}
Calling with:
FooResponse = foo.postJson(new FooRequest("kit", "kat"));
Will yield the following body:...
How do I change read/write mode for a file using Emacs?
...t args)
"Run a unix command and, if it returns 0, return the output as a string.
Otherwise, signal an error. The error message is the first line of the output."
(let ((output-buffer (generate-new-buffer "*stdout*")))
(unwind-protect
(let ((return-value (apply 'call-process command nil
...
How to print to console when using Qt
...t useful:
#include <QTextStream>
QTextStream out(stdout);
foreach(QString x, strings)
out << x << endl;
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What does pylint's “Too few public methods” message mean
...lass derived from NamedTuple" pattern.
Python 2 - namedtuples created from string descriptions - is ugly, bad and "programming inside string literals" stupid.
I agree with the two current answers ("consider using something else, but pylint isn't always right" - the accepted one, and "use pylint sup...
About Android image and asset sizes
...i (240 dpi, High density screen) - 72px x 72px (0.38) (2)
xhdpi (320 dpi, Extra-high density screen) - 96px x 96px (0.5) (2.67)
xxhdpi (480 dpi, Extra-extra-high density screen) - 144px x 144px (0.75) (4)
xxxhdpi (640 dpi, Extra-extra-extra-high density screen) - 192px x 192px (1.0) (5.33)
My sh...
Check if a Windows service exists and delete in PowerShell
...$ServiceName.
# Returns a boolean $True or $False.
Function ServiceExists([string] $ServiceName) {
[bool] $Return = $False
# If you use just "Get-Service $ServiceName", it will return an error if
# the service didn't exist. Trick Get-Service to return an array of
# Services, but o...
How can I process each letter of text using Javascript?
I would like to alert each individual letter of a string, but I am unsure how to do this.
23 Answers
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