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Best practices for overriding isEqual: and hash
...ed the algorithm, which is now a default in a number of Java applications (including Eclipse). It derived, however, from an even older implementation which is variously attributed to Dan Bernstein or Chris Torek. That older algorithm originally floated around on Usenet, and certain attribution is ...
how to show lines in common (reverse diff)?
...on with multiple files, rather than just two.
Some other handy variations include
-n flag to show the line number of each matched line
-c to only count the number of lines that match
-v to display only the lines in file2 that differ (or use diff).
Using comm is faster, but that speed comes at t...
Git Clone: Just the files, please?
...g for would by git archive.
See backing up project which uses git: it will include in an archive all files (including submodules if you are using the git-archive-all script)
You can then use that archive anywhere, giving you back only files, no .git directory.
git archive --remote=<repository U...
MySQL > Table doesn't exist. But it does (or it should)
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jQuery/JavaScript to replace broken images
I have a web page that includes a bunch of images. Sometimes the image isn't available, so a broken image is displayed in the client's browser.
...
How to capture a list of specific type with mockito
...und this blog post which helped me a bit: blog.jdriven.com/2012/10/…. It includes a step to use MockitoAnnotations.initMocks after you've put the annotation on your class. One thing I noticed is you can't have it within a local variable.
– SlopeOak
Nov 19 '15...
Templated check for the existence of a class member function?
... if a given class does provide a certain method. Here's the working code:
#include <iostream>
struct Hello
{
int helloworld() { return 0; }
};
struct Generic {};
// SFINAE test
template <typename T>
class has_helloworld
{
typedef char one;
struct two { char x[2]; };
...
MySql Table Insert if not exist otherwise update
...ould use INSERT ... ON DUPLICATE KEY UPDATE.
Note that you do not need to include datenum in the update clause since it's the unique key, so it should not change. You do need to include all of the other columns from your table. You can use the VALUES() function to make sure the proper values are us...
Git cherry pick vs rebase
...C0 through C2 with it — effectively, "experiment" is "master" up to, and including, C2 plus commit C3 on top of it. (This is the simplest possible case; of course, "experiment" could contain several dozens of commits on top of its original base.)
Now git rebase is told to rebase "experiment" onto...
Which keycode for escape key with jQuery
...o retrieve the key code. This
code corresponds to a key on the keyboard, including codes for special
keys such as arrows. For catching actual text entry, .keypress() may
be a better choice.
Other item of interest: JavaScript Keypress Library
...