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How to convert hex to rgb using Java?
...n the 3 character case each value must be * 255 / 16. I tested this with "000", "aaa", and "fff", and they all work properly now.
– Andrew
Apr 14 '16 at 16:04
add a comment
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What to do Regular expression pattern doesn't match anywhere in string?
...ng test cases (left :): I’ve successfully run this code on more than 100,000 HTML files — every single one I could quickly and easily get my hands on. Beyond those, I’ve also run it on files specifically constructed to break naïve parsers.
This is not a naïve parser.
Oh, I’m sure it isn’...
Understanding the Rails Authenticity Token
...ould just send an HTTP request to the server saying GET /transfer?amount=$1000000&account-to=999999, right?
Wrong. The hackers attack won't work. The server will basically think?
Huh? Who is this guy trying to initiate a transfer. It's not the owner of the account, that's for sure.
How ...
JBoss vs Tomcat again [closed]
...our environment into account. In case your organization already runs say 1,000 JBoss instances, you might always go with that regardless of your concrete requirements (consider aspects like cost for operations or upskilling). Of course, this applies vice versa.
my 2 cent
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What is the purpose of setting a key in data.table?
...ample: suppose I have a table, ZIP, of all the zip codes in the US (>33,000) along with associated information (city, state, population, median income, etc.). If I want to look up the information for a specific zip code, the search (filter) is about 1000 times faster if I setkey(ZIP,zipcode) firs...
Converting Integer to String with comma for thousands
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Integers:
int value = 100000;
String.format("%,d", value); // outputs 100,000
Doubles:
double value = 21403.3144d;
String.format("%,.2f", value); // outputs 21,403.31
String.format is pretty powerful.
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Edited per psuzzi feedback.
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Why is a round-trip conversion via a string not safe for a double?
...signed long long rgval64Power10[] = {
// powers of 10
/*1*/ I64(0xa000000000000000),
/*2*/ I64(0xc800000000000000),
/*3*/ I64(0xfa00000000000000),
/*4*/ I64(0x9c40000000000000),
/*5*/ I64(0xc350000000000000),
/*6*/ I64(0xf424000000000000),
/*7*/ I64(0x9896800000000000...
Is mongodb running?
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I got this: 501 5365 418 0 4:10pm ttys000 0:00.00 grep mongo, does that mean it is running?
– L1ghtk3ira
May 27 '16 at 20:10
1
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Newline character sequence in CSS 'content' property? [duplicate]
...ring, use an escape representing the line feed character in
ISO-10646 (U+000A), such as "\A" or "\00000a". This character
represents the generic notion of "newline" in CSS.
(No idea about actual browser support.)
You can check Using character escapes in markup and CSS for reference about the ...
SQL Server : GROUP BY clause to get comma-separated values [duplicate]
...joe is there any other efficient way of doing this? I have a table with 30,000 records and it's taking 20 seconds...
– yogi
Jan 27 '15 at 11:30
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