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Programmatically access currency exchange rates [closed]
... this, is there any information on what the parameters stand for? Specifically the "f" parameter. I can't find any info anywhere.
– Fishcake
Oct 8 '09 at 6:12
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How to compare two floating point numbers in Bash?
...true or false.
Please, ensure that the bc basic calculator package is installed.
This equally works for floats in scientific format, provided a capital letter E is employed, e.g. num1=3.44E6
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How to send a correct authorization header for basic authentication
...e user and password as part of the URL:
http://user:passwd@www.server.com/index.html
see this URL, for more
HTTP Basic Authentication credentials passed in URL and encryption
of course, you'll need the username password, it's not 'Basic hashstring.
hope this helps...
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Is it better to reuse a StringBuilder in a loop?
...ious version. (It isn't now.) But no - toString just passes the array (and index and length) to the public String constructor which takes a copy.
So in the "reuse the StringBuilder" case we genuinely create one copy of the data per string, using the same char array in the buffer the whole time. Obv...
Condition within JOIN or WHERE
...ditions in join improve performance for large amount of data with properly indexed tables.
– Shahdat
Oct 6 '16 at 15:13
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iPad Safari scrolling causes HTML elements to disappear and reappear with a delay
...ther elements in my case. It modified the stacking context, causing some z-index to break.
We should better try to target the right element and apply -webkit-transform: translate3d(0,0,0) to it only.
Edit : sometimes the translate3D(0,0,0) doesn't work, we can use the following method, targeting t...
Check if a program exists from a Makefile
How can I check if a program is callable from a Makefile?
12 Answers
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Java: Instanceof and Generics
Before I look through my generic data structure for a value's index, I'd like to see if it is even an instance of the type this has been parametrized to.
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How does Google Instant work?
...xactly how the new google instant search works? It seems to just be AJAX calls to the old search, but it's pretty hard to simplify Google that much. Anybody have speculations?
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How to check if a string “StartsWith” another string?
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Another alternative with .lastIndexOf:
haystack.lastIndexOf(needle, 0) === 0
This looks backwards through haystack for an occurrence of needle starting from index 0 of haystack. In other words, it only checks if haystack starts with needle.
In princip...