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With arrays, why is it the case that a[5] == 5[a]?
... then a[0] is at 0x1230, a[1] is at 0x1234, a[2] at 0x1238...a[5] at x1244 etc. If we just add 5 to 0x1230, we get 0x1235, which is wrong.
– James Curran
Dec 19 '08 at 17:21
39
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git: Apply changes introduced by commit in one repo to another repo
...om commits you want with git format-patch
Optionally, copy patches (0001-* etc.) to your repository
Use git am --3way to apply patches
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Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
...mailer, it needs a default email to send out notices such as confirmations etc...
You should check the logs on the heroku server heroku logs run that from the console and it will tell you the exact error.
When you push to heroku you need to configure the environment.rb file with the heroku subdo...
Why does CSS not support negative padding?
...rgins defined in different units or are affected by a different font-size, etc.
The example below should, ideally have aligned and evenly spaced grey boxes but, sadly they aren't.
body {
font-family: sans-serif;
margin: 2rem;
}
body > * {
margin: 2rem 0 0;
}
body > :first-ch...
Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean?
...he first version of Java was the 1, then 1.1 - 1.2 - 1.3 - 1.4 - 1.5 - 1.6 etc and usually each version is named by version so JRE 6 means Java jre 1.6, anyway there is the update version, for example 1.6 update 45, which is named java jre 6u45.
From what I know, they preferred to use the number 6 ...
What does (angle brackets) mean in Java?
...ng you want, it doesn't really matter.
Moreover, Integer, String, Boolean etc are wrapper classes of Java which help in checking of types during compilation. For example, in the above code, obj is of type String, so you can't add any other type to it (try obj.add(1), it will cast an error). Similar...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
...e requests for visible cells, caching to avoid redundant network requests, etc.). I'm unclear what else you expected in response to the question of "how do I stop the flickering images in my table view".
– Rob
Sep 7 '16 at 20:09
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How to use timeit module
...tter_minmod arr1
python -m timeit -s "$SETUP" "better_minmod(arr1)"
... etc
This can take a bit longer due to the multiple initialisations, but normally that's not a big deal.
But what if you want to use timeit inside your module?
Well, the simple way is to do:
def function(...):
...
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Returning from a finally block in Java
...rincipally this is closing / releasing file pointers, database connections etc., though I could see it being stretched to say adding in bespoke auditing.
Anything that affects the return of the function should lie in the try{} block. Even if you had a method whereby you checked an external state, ...
How is OAuth 2 different from OAuth 1?
...ser enters when redirected to the provider (say Facebook, Twitter, Google, etc.) then this would be step 2 for OAuth 2 and step 4 for OAuth 1.
– nyxz
May 19 '16 at 10:53
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