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How can I list ALL DNS records?
... specific nameserver: dig -x example.com
#!/bin/bash
set -e; set -u
COMMON_SUBDOMAINS="www mail mx a.mx smtp pop imap blog en ftp ssh login"
EXTENDED=""
while :; do case "$1" in
--) shift; break ;;
-x) EXTENDED=y; shift ;;
-s) NS="$2"; shift 2 ;;
*) break ;;
esac; done
DOM="$1"; shift
TYPE...
Any reason to prefer getClass() over instanceof when generating .equals()?
...
@eyalzba Where instanceof_ is used if a subclass added members to the equals contract this would violate the symmetric equality requirement. Using getClass subclasses can never be equal to the parent type. Not that you should be overriding equals an...
How do I view events fired on an element in Chrome DevTools?
...me.
Right click on the element and open 'Chrome Developer Tools'
Type $._data(($0), 'events'); in the 'Console'
Expand the attached objects and double click the handler: value.
This shows the source code of the attached function, search for part of that using the 'Search' tab.
And it's time to ...
Using vagrant to run virtual machines with desktop environment
... to start the GUI: sudo vim /etc/X11/Xwrapper.config and edit it to allowed_users=anybody.
Next, install the VirtualBox guest tools before starting the GUI. This will give you a healthy screen resolution, integrated mouse, etc.
$ sudo apt-get install -y xfce4 virtualbox-guest-dkms virtualbox-guest-u...
How to use regex in String.contains() method in Java
... you don't get a match for restores store products. Note that stores 3store_product is also rejected, since digit and _ are considered part of a word, but I doubt this case appear in natural text.
Since word boundary is checked for both sides, the regex above will search for exact words. In other w...
How to load external webpage inside WebView
...ngUrl) {
Toast.makeText(activity, description, Toast.LENGTH_SHORT).show();
}
@TargetApi(android.os.Build.VERSION_CODES.M)
@Override
public void onReceivedError(WebView view, WebResourceRequest req, WebResourceError rerr) {
...
What is Linux’s native GUI API?
...t as many other things in Wayland. wayland.freedesktop.org/faq.html#heading_toc_j_8 blog.martin-graesslin.com/blog/2011/08/… etc.
– whitequark
Oct 4 '12 at 9:07
8
...
How to handle button clicks using the XML onClick within Fragments
... savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_start, container, false);
Button b = (Button) v.findViewById(R.id.StartButton);
b.setOnClickListener(this);
return v;
}
@Override
public void onClick(View v) {
switch (v.getId())...
Stash changes while keeping the changes in the working directory in Git
...g. for modified but not added to commit files)
– alex_1948511
Nov 29 '19 at 12:08
add a comme...
How to check whether an array is empty using PHP?
... if the variable might not have been set AND you don't wont to trigger an E_NOTICE; IMO this is generally a bad idea.
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