Create the Root Certificate
The Root Certificate (aka CA File) will be used to sign and identify your certificate. To generate it, run the command below.
openssl req -nodes -out ca.pem -new -x509 -keyout ca.key
Keep the root certificate and its key carefully, both will be used to sign your cert...
Basic identifiers consist of letters, underscores and digits and must start with a letter. They are not case sensitive. Reserved words of the language cannot be basic identifiers. Examples of valid VHDL basic identifiers:
A_myId90
a_MYID90
abcDEf100_1
ABCdef100_1
The two first are equivalent ...
Quoting is important for string expansion in bash. With these, you can control how the bash parses and expands your strings.
There are two types of quoting:
Weak: uses double quotes: "
Strong: uses single quotes: '
If you want to bash to expand your argument, you can use Weak Quoting:
...
VHDL extended identifiers are delimited by backslashes (\) and can contain letters, underscores, digits, spaces and other special characters (see the Language Reference Manual for a complete definition of special characters). The sequence of characters between backslashes can be reserved words of th...
Trigger can be specified to fire:
BEFORE the operation is attempted on a row - insert, update or delete;
AFTER the operation has completed - insert, update or delete;
INSTEAD OF the operation in the case of inserts, updates or deletes on a view.
Trigger that is marked:
FOR EACH ROW is cal...
There are 2/3 options to connect components together in Talend. You should always try to use OnSubjob connectors. This saves a lot of headaches. You'll see from the examples why.
What happens when you mix the connection types / What is the execution order?
If
OnComponent
OnSubjob
Keep in mi...
View Status:
php indexer.php status
Reindex All
php indexer.php reindexall
Reindex Specific Index
php indexer.php --reindex CODE (see list below)
List of Individual Codes
IndexCodeProduct Attributescatalog_product_attributeProduct Pricescatalog_product_priceCatalog URL Rewritescatalog_u...
Also known as the Knuth shuffle and the Durstenfeld-Fisher-Yates shuffle. This shuffle takes an array of n elements and shuffles it. The algorithm is truly random in that, after shuffling, each permutation of the array is equally likely.
In java:
public static void shuffle(E[] deck) {
//Fro...
using only the for <timeout> clause, it is possible to get an unconditional wait that lasts for a specific duration. This is not synthesizable (no real hardware can perform this behaviour so simply), but is frequently used for scheduling events and generating clocks within a testbench.
This e...
A single instance of Node.js runs in a single thread. To take advantage of multi-core systems the user will sometimes want to launch a cluster of Node.js processes to handle the load.
var cluster = require('cluster');
var numCPUs = require('os').cpus().length;
if (cluster...
doctype html
html(lang="en")
head
title= pageTitle
script(type='text/javascript').
if (foo) bar(1 + 5)
body
h1 Pug - node template engine
#container.col
if youAreUsingPug
p You are amazing
else
p Get on it!
p.
...
To run WordPress on your computer you need to configurate a database first.
Be sure that Apache and MySQL are running (see Installing XAMPP step 3)
Start a web browser of your choice and enter "localhost" in the address.
Choose your preferred language and select in the category "...
After you installed XAMPP and setup the MySQL database you can install WordPress.
Download the latest version of WordPress.
Unzip the file and insert the folder in the root directory of your webserver (if you used the suggested path during the setup of XAMPP it is "c:\xampp\htdocs").
...
Note: These instructions are targeted at .NET Core 1.0.4 & 1.1.1 SDK 1.0.1 and higher.
When using binary archives to install, we recommend the contents be extracted to /opt/dotnet and a symbolic link created for dotnet. If an earlier release of .NET Core is already installed, the directory and ...
An anonymous, inlined function defined with lambda. The parameters of the lambda are defined to the left of the colon. The function body is defined to the right of the colon. The result of running the function body is (implicitly) returned.
s=lambda x:x*x
s(2) =>4
Map takes a function and a collection of items. It makes a new, empty collection, runs the function on each item in the original collection and inserts each return value into the new collection. It returns the new collection.
This is a simple map that takes a list of names and returns a list of the...
Reduce takes a function and a collection of items. It returns a value that is created by combining the items.
This is a simple reduce. It returns the sum of all the items in the collection.
total = reduce(lambda a, x: a + x, [0, 1, 2, 3, 4])
print(total) =>10
Filter takes a function and a collection. It returns a collection of every item for which the function returned True.
arr=[1,2,3,4,5,6]
[i for i in filter(lambda x:x>4,arr)] # outputs[5,6]
