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Why do we need fibers
...> #<Enumerator: [1, 2, 3]:reverse_each>
irb(main):002:0> "abc".chars
=> #<Enumerator: "abc":chars>
irb(main):003:0> 1.upto(10)
=> #<Enumerator: 1:upto(10)>
These Enumerators are Enumerable objects, and their each methods yield the elements which would have been yie...
How do I pass an object from one activity to another on Android? [duplicate]
...stead of simply putting the Parcelable object directly via Intent.putExtra(String name,Parcelable value) and then retrieving via Intent.getParcelableExtra(String name)?
– Tony Chan
Aug 2 '13 at 22:57
...
Is bool a native C type?
...C90.
Here's a list of keywords in standard C (not C99):
auto
break
case
char
const
continue
default
do
double
else
enum
extern
float
for
goto
if
int
long
register
return
short
signed
static
struct
switch
typedef
union
unsigned
void
volatile
while
Here's an article discussing some other differen...
What's the difference between utf8_general_ci and utf8_unicode_ci?
...OLLATE ... and Description LIKE 'test%' COLLATE ... only process a single string ("test") at runtime, don't they? 3) In real apps, columns used in ordering would probably be indexed, and indexing speed on different collations with real non-ASCII text might differ.
– Halil Özg...
What is the combinatory logic equivalent of intuitionistic type theory?
...uction we know.)
Combinator Syntax and Normalization
Anyhow, we have two extra symbols, Pi and Set, so we might perhaps manage a combinatory translation with S, K and two extra symbols: I chose U for the universe and P for the product.
Now we can define the untyped combinatory syntax (with free v...
Is “inline” without “static” or “extern” ever useful in C99?
...efore, the following example might not
behave as expected.
inline const char *saddr(void)
{
static const char name[] = "saddr";
return name;
}
int compare_name(void)
{
return saddr() == saddr(); // unspecified behavior
}
Since the implementation might use the inline definition f...
What's the difference between a temp table and table variable in SQL Server?
... to encapsulate and reuse logic much easier (eg make a function to split a string into a table of values on some arbitrary delimiter).
Using Table Variables within user-defined functions enables those functions to be used more widely (see CREATE FUNCTION documentation for details). If you're writing...
Extract hostname name from string
...uld like to match just the root of a URL and not the whole URL from a text string. Given:
27 Answers
...
Is SQL or even TSQL Turing Complete?
...'t modify a database.
-- Brain Fuck interpreter in SQL
DECLARE @Code VARCHAR(MAX) = ', [>,] < [.<]'
DECLARE @Input VARCHAR(MAX) = '!dlroW olleH';
-- Creates a "BrainFuck" DataBase.
-- CREATE DATABASE BrainFuck;
-- Creates the Source code table
DECLARE @CodeTable TABLE (
[Id] I...
how does array[100] = {0} set the entire array to 0?
How does the compiler fill values in char array[100] = {0}; ? What's the magic behind it?
4 Answers
...