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What are the differences between Clojure, Scheme/Racket and Common Lisp?
...sp), Scheme has some modern implementations (Racket, Chicken, Chez Scheme, etc.), and Clojure was created relatively recently
Common Lisp has a built-in OO system, though it's quite different from other OO systems you might have used. Notably, it is not enforced--you don't have to write OO code.
The...
How do I run a Python program in the Command Prompt in Windows 7?
... than python) to invoke the default interpreter, or py -2, py -3, py -2.7, etc. It also supports shebang lines, allowing the script itself to specify. For versions prior to 3.3, the launcher is available as a separate download.
http://docs.python.org/3/whatsnew/3.3.html
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Running Python scripts con...
Proper way to use AJAX Post in jquery to pass model from strongly typed MVC3 view
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In order to use the serialize function, my understanding is that each member of the class needs to be used in a form object. If that is correct, I may be SOL.
– John Stone
May 12 '11 at 18...
How do pointer to pointers work in C?
...like the lockless name lookup, but simply good use of pointers-to-pointers etc.
For example, I've seen too many people who delete a singly-linked list entry by keeping track of the "prev" entry, and then to delete the entry, doing something like:
if (prev)
prev->next = entry->next;
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php $_POST array empty upon form submission
...vars (it's only available on very old PHP versions) is set to On
variables_order contains the letter P
post_max_size is set to a reasonable value (e.g. 8 MB)
(if using suhosin patch) suhosin.post.max_vars and suhosin.request.max_vars are large enough.
I suppose the second suggestion of mine will s...
Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
...nstructor I will assume that I MUST provide an instance of IThingSource in order to use ThingMaker. Chances are that if I were a user of such a class I would never had discovered the CreateDefault method.
– JCallico
Jul 19 '11 at 14:08
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Why does Git treat this text file as a binary file?
...t should be treated as UTF16 the user needs to tell git via .gitattributes etc.
– Philip Oakley
Jul 28 '11 at 9:34
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Filter rows which contain a certain string
...y extend to more than one column.
Below also a solution with filter_all in order to find the string in any column,
using diamonds as example, looking for the string "V"
library(tidyverse)
String in only one column
# for only one column... extendable to more than one creating a column list in `acros...
How to style readonly attribute with CSS?
... a slew of other textual types such a number, tel, email, date, time, url, etc. Each would need to be added to the selector.
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在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...igned phone area. Even so, the large image needs to be held in memory in order for rescaling to occur, even if the result of the rescaling will be a small image.
2. An example of misusing large images
Suppose you are going to display a grid of the letters of the alphabet, where each letter is in ...