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Are GUID collisions possible?
...ither unique (for things like version 1 GUIDs), or both unique and unpredictable (for things like version 4 GUIDs). SQL Server's implementation for their NEWID() function appears to use a 128-bit random number, so you're not going to get a collision.
For a 1% chance of collision, you'd need to gen...
How to save MySQL query output to excel or .txt file? [duplicate]
...g to write the file to.
Syntax
SELECT Your_Column_Name
FROM Your_Table_Name
INTO OUTFILE 'Filename.csv'
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
LINES TERMINATED BY '\n'
Or you could try to grab the output via the client:
You could try executing the query from the you...
Apply style ONLY on IE
...l comment in your HTML:
<!--[if IE]>
<style>
.actual-form table {
width: 100%;
}
</style>
<![endif]-->
There are numerous hacks (e.g. the underscore hack) you can use that will allow you to target only IE within your stylesheet, but it gets very messy if y...
How does variable assignment work in JavaScript?
...y are similar to...", then follows with a list of dictionaries, hash, hash tables, and hash maps from various programming languages. The same page describes object property references as hash table lookups. So objects are everything like a 'hash' table. This does not nullify the other useful info...
Pretty-print an entire Pandas Series / DataFrame
...te_yearfirst, encoding, and many many more: pandas.pydata.org/pandas-docs/stable/options.html
– nealmcb
Jan 19 '17 at 14:15
...
What is the fastest factorial function in JavaScript? [closed]
...proach make sure to convert to exponential before using the aforementioned table.
– David Scott Kirby
May 2 '14 at 20:36
...
Parsing a comma-delimited std::string [duplicate]
...der: std::ctype<char> {
csv_reader(): std::ctype<char>(get_table()) {}
static std::ctype_base::mask const* get_table() {
static std::vector<std::ctype_base::mask> rc(table_size, std::ctype_base::mask());
rc[','] = std::ctype_base::space;
rc['\n'] = ...
When to use Hadoop, HBase, Hive and Pig?
.... It's a distributed, scalable, big data store, modelled after Google's BigTable. It stores data as key/value pairs.
Coming to Hive. It provides us data warehousing facilities on top of an existing Hadoop cluster. Along with that it provides an SQL like interface which makes your work easier, in ca...
How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
...
select t1.*, sq.*
from table1 t1,
(select a,b,c from table2 ...) sq
where ...
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How to choose the id generation strategy when using JPA and Hibernate
...that are unique only when no other process is inserting data into the same table. Do not use in a cluster.
identity
supports identity columns in DB2, MySQL, MS SQL Server, Sybase and HypersonicSQL. The returned identifier is of type long, short or int.
sequence
uses a sequence in DB2, PostgreSQL, Or...