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How is Math.Pow() implemented in .NET Framework?
...plemented in the CLR, written in C++. The just-in-time compiler consults a table with internally implemented methods and compiles the call to the C++ function directly.
Having a look at the code requires the source code for the CLR. You can get that from the SSCLI20 distribution. It was written arou...
How to display the function, procedure, triggers source code in postgresql?
.... Just know the following way, may be it will help you!
step 1 : Get the table oid of the trigger:
skytf=> select tgrelid from pg_trigger where tgname='insert_tbl_tmp_trigger';
tgrelid
---------
26599
(1 row)
step 2: Get the table name of the above oid !
s...
Error installing mysql2: Failed to build gem native extension
...\models\city.rb to look like this
class City < ActiveRecord::Base
set_table_name "city"
end
Edit the file c:\Sites\world\config\database.yml to look like this
development:
adapter: mysql2
encoding: utf8
database: world
pool: 5
username: root
password: root
socket: /tmp/mysql.sock
add to ge...
MySQL - Using COUNT(*) in the WHERE clause
...similar to this:
SELECT column_name, aggregate_function(column_name)
FROM table_name
WHERE column_name operator value
GROUP BY column_name
HAVING aggregate_function(column_name) operator value;
share
|
...
How do I list all cron jobs for all users?
... by hour and minute, insert the
# header line, and format the results as a table.
cat "${temp}" |
sed --regexp-extended "s/^(\S+) +(\S+) +(\S+) +(\S+) +(\S+) +(\S+) +(.*)$/\1\t\2\t\3\t\4\t\5\t\6\t\7/" |
sort --numeric-sort --field-separator="${tab}" --key=2,1 |
sed "1i\mi\th\td\tm\tw\tus...
Rolling or sliding window iterator?
...I changed it to individually look up and add items in a window of ten, the tables turned and the tee method was 20% faster. I was able to recover some speed by using negative indexes for the last five terms in the addition, but tee was still a little faster. Overall I would estimate that either one ...
How do I set a column value to NULL in SQL Server Management Studio?
...roperly answered the question but just to cover all the bases:
Update myTable set MyColumn = NULL
This would set the entire column to null as the Question Title asks.
To set a specific row on a specific column to null use:
Update myTable set MyColumn = NULL where Field = Condition.
This wou...
Sorting arrays in NumPy by column
...
You can sort on multiple columns as per Steve Tjoa's method by using a stable sort like mergesort and sorting the indices from the least significant to the most significant columns:
a = a[a[:,2].argsort()] # First sort doesn't need to be stable.
a = a[a[:,1].argsort(kind='mergesort')]
a = a[a[:,...
Is there a vr (vertical rule) in html?
...
Tables can separate items vertically, so what you are saying is not the real reason there is no vr tag.
– CiscoIPPhone
Aug 4 '09 at 10:23
...
How to assign from a function which returns more than one value?
...it a lot more now than when I originally posted this answer since the data.table package uses the := operator mucho in a much handier way :-)
– Steve Lianoglou
Mar 12 '13 at 0:58
...