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How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
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THIS IS HORRIBLY BAD PRACTICE, and I'm sad it got all those votes. Warnings are not there so that you ignore them. Warnings are there telling you "dude, you're doing something that could be wrong, be careful", and you should only suppress them when you wanna respond like "sh...
How to avoid merge-commit hell on GitHub/BitBucket
...hes Before Merging
If you want to avoid merge commits, you need to ensure all commits are fast-forwards. You do this by making sure your feature branch rebases cleanly onto your line of development before a merge like so:
git checkout master
git checkout -b feature/foo
# make some commits
git re...
Double not (!!) operator in PHP
...ings or empty arrays) you will get the boolean value FALSE.
It is functionally equivalent to a cast to boolean:
return (bool)$row;
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NameError: global name 'xrange' is not defined in Python 3
...nchanged, and any
# range(...) replaced with list(range(...))
or replace all uses of xrange(...) with range(...) in the codebase and then use a different shim to make the Python 3 syntax compatible with Python 2:
try:
# Python 2 forward compatibility
range = xrange
except NameError:
p...
How can we print line numbers to the log in java
... This will always return the line number of the return statement in the called method and not necessarily the line number of the method call.
– Ron Tuffin
Sep 22 '08 at 14:13
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What does the (unary) * operator do in this Ruby code?
...*[arg1, arg2, arg3]
It can also be used in a different context, to catch all remaining method arguments in a method definition. In that case, it does not expand, but combine:
def method2(*args) # args will hold Array of all arguments
end
Some more detailed information here.
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Twitter Bootstrap 3: how to use media queries?
...electors used in BS4. There is no "lowest" setting in BS4 because "extra small" is the default. I.e. you would first code the XS size and then have these media overrides afterwards.
@media(min-width:576px){}
@media(min-width:768px){}
@media(min-width:992px){}
@media(min-width:1200px){}
Update 201...
Are the decimal places in a CSS width respected?
...ractional pixels (in Chrome the values are truncated, so 50, 50.5 and 50.6 all show the same width).
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How do I get the list of keys in a Dictionary?
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@MartinCapodici then you should usually expect the iterator to break and refuse to continue
– Marc Gravell♦
Mar 10 '16 at 22:32
5
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How do I enable C++11 in gcc?
... program. Create a new file named Makefile (with a capital M). To automatically compile your code just type the make command in a terminal. You may have to install make.
Here's a simple one :
CXX=clang++
CXXFLAGS=-g -std=c++11 -Wall -pedantic
BIN=prog
SRC=$(wildcard *.cpp)
OBJ=$(SRC:%.cpp=%.o)
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