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Efficiency of premature return in a function
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@Philip what register addition? There is no extra instruction in the path at all.
– Marquis of Lorne
Oct 26 '11 at 1:15
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Best way to select random rows PostgreSQL
... @Awesome-o: The goal is to retrieve 1000 rows, I start with an extra 10 % to compensate for a few gaps or (unlikely but possible) duplicate random numbers ... the explanation is in my answer.
– Erwin Brandstetter
Feb 24 '14 at 12:53
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How to add an Access-Control-Allow-Origin header
...ame" https://auth.api.rackspacecloud.com/v1.0
From the results returned, extract the values for X-Auth-Token and X-Storage-Url
curl -X POST \
-H "Content-Type: font/woff" \
--header "X-Auth-Token: returned-x-auth-token" returned-x-storage-url/name-of-your-container/fonts/fontawesome-webfont.w...
What is a proper naming convention for MySQL FKs?
...--------------+-----------------------+------------------------+
If this extra step isn't too much for you, then you should be able to easily find the fk you are looking for.
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What's the difference between HEAD, working tree and index, in Git?
...you run git checkout ref it points HEAD to the ref you’ve designated and extracts files from it. When you run git commit it creates a new commit object, which becomes a child of current HEAD. Normally HEAD points to one of the heads, so everything works out just fine.
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Assign width to half available screen width declaratively
...k with the layout_width of the component, it skips directly to sharing the extra width according to weights.
– njzk2
Nov 28 '14 at 20:54
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Clicking the text to select corresponding radio button
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Another option to avoid the extra space between the radio button and label, is to simply not put it there <input id="349" type="radio" value="1" name="question1"><label for="349"> Abe</label> (no spaces or newlines between the tags)
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Why are functions in Ocaml/F# not recursive by default?
... function or value of the same name; although I think this is bad practice
Extra safety? Makes sure that you are doing what you intended. e.g. If you don't intend it to be recursive but you accidentally used a name inside the function with the same name as the function itself, it will most likely co...
Is there a performance difference between i++ and ++i in C?
...re the value of x.
Store value of i in register A // inefficient because extra instruction here, we already did this once.
Increment register A.
Store register A in i.
the compiler might as well produce the code more efficiently, such as:
Store value of i in register A.
Store address of array ...
SOAP or REST for Web Services? [closed]
...HttpRequest object that most modern browsers support today, which adds an extra bonus of AJAX.
Totally stateless operations. If an operation needs to be continued, then REST is not the best approach and SOAP may fit it better. However, if you need stateless CRUD (Create, Read, Update, and Delete) ...