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Practical uses of different data structures [closed]
...ound the list in a similar question, previously on StackOverflow:
Hash Table - used for fast data lookup - symbol table for compilers,
database indexing, caches,Unique data representation.
Trie - dictionary, such as one found on a mobile telephone for
autocompletion and spell-checking.
...
Defeating a Poker Bot
... and patterns (i.e., worst case
scenario is a player who plays 24x7
and 16 tables continuously, there is
a tiny tiny chance this is a real
human. (However some players do have the ability to play very large hand volumes which to the inexperienced eye would appear to be a bot)
Throw it glitches. If ...
Bring element to front using CSS
...28px;
}
.content {
margin-left: auto;
margin-right: auto;
table-layout: fixed;
border-collapse: collapse;
z-index: -1;
position:relative;
}
.td-main {
text-align: center;
padding: 80px 10px 80px 10px;
border: 1px solid #A02422;
background: #ABABA...
generate model using user:references vs user_id:integer
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Is it possible to generate a model with references of two tables
– praveenkumar
Dec 8 '16 at 6:41
Not...
Ruby on Rails generates model field:type - what are the options for field:type?
...tetime, :timestamp,
:time, :date, :binary, :boolean, :references
See the table definitions section.
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Received an invalid column length from the bcp client for colid 6
...the data in the excel for its format to be in compliance with the database table schema.
To avoid this, try exceeding the data-length of the string datatype in the database table.
Hope this helps.
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How to keep index when using pandas merge
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Think I've come up with a different solution. I was joining the left table on index value and the right table on a column value based off index of left table. What I did was a normal merge:
First10ReviewsJoined = pd.merge(First10Reviews, df, left_index=True, right_on='Line Number')
Then I r...
How do you use variables in a simple PostgreSQL script?
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Here's an example of using a variable in plpgsql:
create table test (id int);
insert into test values (1);
insert into test values (2);
insert into test values (3);
create function test_fn() returns int as $$
declare val int := 2;
begin
return (SELECT id FROM test ...
SQL query to group by day
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If you're using SQL Server, you could add three calculated fields to your table:
Sales (saleID INT, amount INT, created DATETIME)
ALTER TABLE dbo.Sales
ADD SaleYear AS YEAR(Created) PERSISTED
ALTER TABLE dbo.Sales
ADD SaleMonth AS MONTH(Created) PERSISTED
ALTER TABLE dbo.Sales
ADD SaleDay A...
UITableView row animation duration and completion callback
Is there a way to either specify the duration for UITableView row animations, or to get a callback when the animation completes?
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