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Output to the same line overwriting previous output?
...< 3.0 a comma at the end of the statement will prevent a "\n": print "foo", However you still need to flush after that to see the change: sys.stdout.flush()
– Tobias Domhan
Jul 24 '13 at 21:52
...
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,...
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...