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Polymorphism vs Overriding vs Overloading
...shows how modeling assumptions can have negative results, such as the implication that someone (e.g., a student of OO programming) who is incontinent or intersex is not actually human.
– Andrew Dalke
Feb 1 '13 at 4:26
...
Why does sudo change the PATH?
... bidden. See sudoers(5) for more information.
An Example of usage:
cat >> test.sh
env | grep "MYEXAMPLE" ;
^D
sh test.sh
MYEXAMPLE=1 sh test.sh
# MYEXAMPLE=1
MYEXAMPLE=1 sudo sh test.sh
MYEXAMPLE=1 sudo MYEXAMPLE=2 sh test.sh
# MYEXAMPLE=2
update
man 5 sudoers :
env_res...
Usage of sys.stdout.flush() method
...aches 5.
You can understand by executing the below code.
chiru@online:~$ cat flush.py
import time
import sys
for i in range(10):
print i
if i == 5:
print "Flushing buffer"
sys.stdout.flush()
time.sleep(1)
for i in range(10):
print i,
if i == 5:
print...
Program only crashes as release build — how to debug?
I've got a "Schroedinger's Cat" type of problem here -- my program (actually the test suite for my program, but a program nonetheless) is crashing, but only when built in release mode, and only when launched from the command line. Through caveman debugging (ie, nasty printf() messages all over the ...
Custom Python list sorting
...ed Aug 6 '18 at 12:41
The Unfun CatThe Unfun Cat
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...
Is it possible to declare a variable in Gradle usable in Java?
...
An example of usage an Api App Key in an Android application (Java and XML)
gradle.properties
AppKey="XXXX-XXXX"
build.gradle
buildTypes {
//...
buildTypes.each {
it.buildConfigField 'String', 'APP_KEY_1', AppKey
it.resValue 'string', 'APP_KEY_2', AppKey...
Is it secure to store passwords as environment variables (rather than as plain text) in config files
...t. Anyone that knows where to look, can access the data.
Security by Obfuscation. You store the data (plaintext) someplace tricky, like an environment variable, or in a file that is meant to look like a configuration file. An attacker will eventually figure out what's going on, or stumble across ...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...L.
jsFiddle with pSBC
github > pSBC Wiki
Features:
Auto-detects and accepts standard Hex colors in the form of strings. For example: "#AA6622" or "#bb551144".
Auto-detects and accepts standard RGB colors in the form of strings. For example: "rgb(123,45,76)" or "rgba(45,15,74,0.45)".
Shades col...
How do I remove the old history from a git repository?
...
I had to do git filter-branch --tag-name-filter cat -- --all to update tags. But I've also got older tags pointing to the old history that I want to delete. How can I get rid of all those old tags? If I don't delete them, then the older history doesn't disappear and I can ...
Passing command line arguments to R CMD BATCH
...st.Rout, will show that the argument 4 has been successfully passed to R:
cat test.Rout
> args <- commandArgs(trailingOnly = F)
> myargument <- args[length(args)]
> myargument <- sub("-","",myargument)
> print(myargument)
[1] "4"
> q(save="no")
> proc.time()
user system...