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What is the use of hashCode in Java?
...hashCode() is used for bucketing in Hash implementations like HashMap, HashTable, HashSet, etc.
The value received from hashCode() is used as the bucket number for storing elements of the set/map. This bucket number is the address of the element inside the set/map.
When you do contains() it will t...
Compare dates in MySQL
...ou for your help i got the answer.
here is the code.......
SELECT * FROM table
WHERE STR_TO_DATE(column, '%d/%m/%Y')
BETWEEN STR_TO_DATE('29/01/15', '%d/%m/%Y')
AND STR_TO_DATE('07/10/15', '%d/%m/%Y')
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JavaScript equivalent to printf/String.Format
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@samhocevar I can't believe you Little Bobby Tabled me. ;) If you're running text processed by client-side JavaScript on your database server without any safety checks, heaven help us all. ;^) Look, there shouldn't be anything any user can send from a client (eg, Postma...
SQL Server 2008: How to query all databases sizes?
...et.microsoft.com/SIZE-OF-ALL-DATABASES-IN-0337f6d5#content
DECLARE @spacetable table
(
database_name varchar(50) ,
total_size_data int,
space_util_data int,
space_data_left int,
percent_fill_data float,
total_size_data_log int,
space_util_log int,
space_log_left int,
percent_fill_log cha...
Javascript dynamically invoke object method from string
...orking for me using a variable inside a function:const genericResolver = ( table, action , values ) => { return Auth.isAuthenticated() .then(() => { return eval(table).findAll()
– stackdave
Oct 28 '17 at 14:57
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Passing base64 encoded strings in URL
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There are additional base64 specs. (See the table here for specifics ). But essentially you need 65 chars to encode: 26 lowercase + 26 uppercase + 10 digits = 62.
You need two more ['+', '/'] and a padding char '='. But none of them are url friendly, so just use dif...
Add UIPickerView & a Button in Action sheet - How?
... to show the action sheet with a modal view controller containing a simple tableview.
There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I all users to select from a list of op...
What's the most efficient way to erase duplicates and sort a vector?
...or first before it will work as you intend.
std::unique is defined to be stable, so the vector will still be sorted after running unique on it.
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Colorized Ruby output to the terminal [closed]
...color modes, based on answers by Erik Skoglund and others.
#outputs color table to console, regular and bold modes
def colortable
names = %w(black red green yellow blue pink cyan white default)
fgcodes = (30..39).to_a - [38]
s = ''
reg = "\e[%d;%dm%s\e[0m"
bold = "\e[1;%d;%dm%s\e[0m"
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position: fixed doesn't work on iPad and iPhone
...s.html
(but note that the mobile browser world is moving very quickly, so tables like this may not stay up-to-date for long!)
Update:
iOS 5 and Android 4 are both reported to have position:fixed support now.
I tested iOS 5 myself in an Apple store today and can confirm that it does work with pos...