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Regular expression to match URLs in Java
... "|[1-9][0-9]|[0-9]))");
/**
* RFC 1035 Section 2.3.4 limits the labels to a maximum 63 octets.
*/
private static final String IRI
= "[" + GOOD_IRI_CHAR + "]([" + GOOD_IRI_CHAR + "\\-]{0,61}[" + GOOD_IRI_CHAR + "]){0,1}";
private static final String GOOD_GTLD_CHAR =
...
Understanding how recursive functions work
...rder than more common programming paradigms, I will not offence anybody by labelling these “exotic” and a little white lie like “it always happens on the stack” should help the OP to understand the concept. (And a kind of stack is always involved.)
– Michael Le Barbier ...
Why don't they teach these things in school? [closed]
...tificate to some club so that they can put a graphic on their website or a label on the box their product comes in. Many will argue that this is rare...been there, seen it, it happens. This is all part of business, you have to cut corners sometimes to stay profitable and keep the doors open and th...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...REE 2
#define __SIZEOF_INT__ 4
#define __SIZEOF_POINTER__ 8
#define __USER_LABEL_PREFIX__ _
#define __STDC_HOSTED__ 1
#define __LDBL_HAS_INFINITY__ 1
#define __FLT_EPSILON__ 1.19209289550781250000e-7F
#define __LDBL_MIN__ 3.36210314311209350626e-4932L
#define __DEC32_MAX__ 9.999999E96DF
#define __st...
Why shouldn't I use mysql_* functions in PHP?
...s are left unspecified, called parameters, placeholders or bind variables (labelled ? below):
INSERT INTO PRODUCT (name, price) VALUES (?, ?)
The DBMS parses, compiles, and performs query optimization on the statement template, and stores the result without executing it.
Execute: At a later time, t...
What are Runtime.getRuntime().totalMemory() and freeMemory()?
...objects that will be swept away by the next GC.
– Gab是好人
Dec 1 '16 at 14:05
...
Why does Java switch on contiguous ints appear to run faster with added cases?
...stead. The lookupswitch instruction pairs int keys (the values of the case labels) with target offsets in a table. When a lookupswitch instruction is executed, the value of the expression of the switch is compared against the keys in the table. If one of the keys matches the value of the expression,...
When should I use Arrow functions in ECMAScript 6?
...t; id // Returns `id`
(id) => {name: id} // Returns `undefined` (it's a labeled statement)
(id) => ({name: id}) // Returns an object
What does this mean?
() => {}
Did the author intend to create a no-op, or a function that returns an empty object? (With this in mind, should we ever pla...
What is the best way to auto-generate INSERT statements for a SQL Server table?
...umn_List = @Column_List + @Column_Name + ','
SKIP_LOOP: --The label used in GOTO
SELECT @Column_ID = MIN(ORDINAL_POSITION)
FROM INFORMATION_SCHEMA.COLUMNS (NOLOCK)
WHERE TABLE_NAME = @table_name AND
ORDINAL_POSITION > @Column_ID AND
(...
How are parameters sent in an HTTP POST request?
...parated from the header by just one blank line.
– Gab是好人
May 2 '16 at 15:15
2
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