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How can I easily fixup a past commit?
...ixup ' workflow I asked for:
#!/usr/bin/env python
from subprocess import call
import sys
# Taken from http://stackoverflow.com/questions/377017/test-if-executable-exists-in python
def which(program):
import os
def is_exe(fpath):
return os.path.exists(fpath) and os.access(fpath, os...
How do I make a semi transparent background?
... yes, IE supports rgba, its syntax is #ARGB and is written as filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#AARRGGBBAA,endColorstr=#AARRGGBBAA); its basically a gradient of a static color but with transparency.
– Tarun
Jan 27 '11 at 5:23
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How to set the first option on a select box using jQuery?
...
Something like this should do the trick: https://jsfiddle.net/TmJCE/898/
$('#name2').change(function(){
$('#name').prop('selectedIndex',0);
});
$('#name').change(function(){
$('#name2').prop('selectedIndex',0);
});
...
How do you declare an interface in C++?
...structor with a body. The advantage here is that the compiler can, theoretically, see that vtable has no valid members now, and discard it altogether. With a virtual destructor with a body, said destructor can be called (virtually) e.g. in the middle of construction via this pointer (when constructe...
How do you prevent IDisposable from spreading to all your classes?
...pose() method to avoid the overhead of finalizers. But this method must be called somehow, so exactly as in your example the classes that encapsulate or contain IDisposable have to dispose these, so they have to be disposable as well, etc. The only way to avoid it is to:
avoid using IDisposable cl...
Best practices for exception management in Java or C# [closed]
...t to catch exceptions and turn them into error codes. Why do you think the caller would prefer error codes over exceptions when the latter is the default in both Java and C#?
As for your questions:
You should only catch exceptions that you can actually handle. Just
catching exceptions is not the...
Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
... default, a function object should produce the same result every time it's called. This is the difference between an object orientated function and a function using a global variable, effectively.
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Can I use break to exit multiple nested 'for' loops?
... latter, which you would fit into if you choose to use them well, use a so called "evil" concept when it is the lesser of (two) evils. Read this for a better understanding of some C++ concepts that you might need to use from time to time (macros, goto's, preprocessor, arrays): parashift.com/c++-faq-...
Java Name Hiding: The Hard Way
... have doSomething anywhere in the inheritance hierarchy (due to how method call targets are resolved). So Knuth help you if you want to call a toString method. The solution proposed by Donal is the one that's in Bloch's Java Puzzlers book (I think, haven't looked it up), so we can consider it the au...
What does the clearfix class do in css? [duplicate]
...e invention of display:inline-block, websites use float to set elements beside each other. float is preferred over display:inline since with the latter, you can't set the element's dimensions (width and height) as well as vertical paddings (top and bottom) - which floated elements can do since they'...