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Is there a way to make text unselectable on an HTML page? [duplicate]
...be unselectable. You can set this using an attribute in HTML:
<div id="foo" unselectable="on" class="unselectable">...</div>
Sadly this property isn't inherited, meaning you have to put an attribute in the start tag of every element inside the <div>. If this is a problem, you co...
Check status of one port on remote host [closed]
...ther host is valid, you need to check for 6 exit code as well:
$ curl -m5 foo:123; [ $? != 6 -a $? != 7 ] && echo OK || echo FAIL
curl: (6) Could not resolve host: foo
FAIL
To troubleshoot the returned error code, simply run: curl host:port, e.g.:
$ curl localhost:80
curl: (7) Failed to ...
What is the rationale behind having companion objects in Scala?
...singleton) for a class is needed? Why would I want to create a class, say Foo and also create a companion object for it?
...
Difference between File.separator and slash in paths
...path string if necessary. This is used on
win32, e.g., to transform "/c:/foo" into "c:/foo". The path string
still has slash separators; code in the File class will translate them
after this method returns.
This means FileSystem.fromURIPath() does post processing on URI path only in Windows,...
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
... undecorated, but still adorned, version of the name. For a method named "foo", gcc will give you "foo", VC will give "my_namespace::my_class::foo".
– Adrian McCarthy
Jul 1 '15 at 15:56
...
Check if PHP session has already started
...destroy();
session_id(); // returns empty string, ok, but then
session_id('foo'); // tell php the session id to use
session_id(); // returns 'foo', but no session is active.
So, prior to PHP 5.4 you should set a global boolean.
...
Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat
...a module from a module dependency: You have to turn your compile project(':foo') into compile(project(':foo')) { exclude module: 'support-v4' }. Note the parenthesis.
– espinchi
Nov 22 '14 at 17:28
...
GIT commit as different user without email / or only email
...
name family
Set a Git email:
$ git config --global user.email email@foo.com
Confirm that you have set the Git email correctly:
$ git config --global user.email
email@foo.com
share
|
imp...
Pass a data.frame column name to a function
...ock here is that a natural (but incorrect) attempt often looks like this:
foo <- function(df,col_name,col1,col2){
df$col_name <- df$col1 + df$col2
df
}
#Call foo() like this:
foo(dat,z,x,y)
The problem here is that df$col1 doesn't evaluate the expression col1. It simply loo...
Get name of property as a string
...eClass
{
public static string SomeProperty
{
get { return "Foo"; }
}
}
public class RemoteMgr
{
public static void ExposeProperty<T>(Expression<Func<T>> property)
{
var expression = GetMemberInfo(property);
string path = string.Concat(ex...