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What is Rack middleware?
...body>
</html>
We maybe want to serve this file from the website root, so let's add the following to our config.ru:
map '/' do
run Rack::File.new "htmls/index.html"
end
If we visit http://localhost:9292 we see our html file perfectly rendered. That's was easy, right?
Let's add a whol...
How to get the text node of an element?
...w"), and iterate over just the text node children of the element.
var root = document.querySelector('p'),
iter = document.createNodeIterator(root, NodeFilter.SHOW_TEXT),
textnode;
// print all text nodes
while (textnode = iter.nextNode()) {
console.log(textnode.textContent)
}
...
Make git automatically remove trailing whitespace before committing
...do the
right thing if their side conditions are not met.
Fix the sub-tree rooted at the current directory (but resets the index if it's not empty)
Using git add -e to "edit" the patches with the identity editor ::
(export GIT_EDITOR=: && git -c apply.whitespace=fix add -ue .) && g...
generate model using user:references vs user_id:integer
...tionship. Therefore when you generate the EER Diagrams using software like MySql Workbench you find that there is no relationship threads drawn between the models. Like in the following pic
However, if you use the later method you find that you migration file looks like:
def change
create_ta...
Closing JDBC Connections in Pool
...
Not the answer you're looking for? Browse other questions tagged java mysql jdbc connection-pooling or ask your own question.
Html code as IFRAME source rather than a URL
...ml code? so my problem is simple, I have a page it loads an HTML body from MYSQL I want to present that code in a frame so it renders it self independent of the rest of the page and in the confines of that specific bordering.
...
Why can't I use Docker CMD multiple times to run multiple services?
...empts to stop a running container first by sending a SIGTERM signal to the root process (PID 1) in the container." Which process is docker tracking as PID 1 that will get the SIGTERM? Will it be SSH or Rabbit?? "According to the Unix process model, the init process -- PID 1 -- inherits all orphaned ...
Finding the number of days between two dates
...also hour-minute-second; same happpens with DATE type in databases such as MySQL), the widely used formula
(unix_timestamp(DATE2) - unix_timestamp(DATE1)) / 86400
or
floor(time() - strtotime($somedate)) / 86400
will return, say, 17 when DATE1 and DATE2 are in the same DST segment of the year...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
...ption to your /etc/fstab. For example, if the directory is located on your root filesystem:
/dev/mapper/qz-root / ext3 errors=remount-ro,acl 0 1
Then remount it:
mount -oremount /
Now, use the following command to set the default ACL:
setfacl -dm u::rwx,g::rwx,o::r /shared/director...
What is the difference between an Azure Web Site and an Azure Web Role
..., (like WordPress, Joomla, Django, MediaWiki, etc.)
Use of SQL Database or MySQL
Simple and fast to scale from free tier to shared tier to dedicated tier
Web Jobs
Backups of Web Site content
Built-in web-based debugging tools (simple cmd/powershell debug console, process explorer, diagnostic tools l...