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How do I check what version of Python is running my script?
...s, thought about compatibility. If someone use sample in version 3, syntax error will be there waiting.
– Alex Chiang
Jan 13 '17 at 15:44
...
Maximum length of the textual representation of an IPv6 address?
I want to store the data returned by $_SERVER["REMOTE_ADDR"] in PHP into a DB field, pretty simple task, really. The problem is that I can't find any proper information about the maximum length of the textual representation of an IPv6 address, which is what a webserver provides through $_SERVER...
Traits in PHP – any real world examples/best practices? [closed]
... foo() {}
}
class B extends A
{
use T;
}
The above will result in an error (demo). Likewise, any methods declared in the trait that are also already declared in the using class will not get copied into the class, e.g.
trait T {
public function foo() {
return 1;
}
}
class A {
use ...
Can someone explain Microsoft Unity?
...>(); and you didn't Configure the SomeConcreteClass? Would you get and error in that case?
– RayLoveless
Jun 7 '13 at 21:50
...
reformat in vim for a nice column layout
...ion for this.
Locate to the longest word and place cursor after it.
Remove all the extra whitespace using dw and vertical movement.
Example of this technique demonstrated below:
I don't find myself needing to align things often enough to install another plugin, so this was my preferred way of a...
Get element inside element by class and ID - JavaScript
....innerHTML = "Goodbye world!";
}
or, if you want to do it with with less error checking and more brevity, it can be done in one line like this:
document.getElementById("foo").getElementsByClassName("bar")[0].innerHTML = "Goodbye world!";
In explanation:
You get the element with id="foo".
You ...
How to move screen without moving cursor in Vim?
...of the screen
(Careful with zz, if you happen to have Caps Lock on accidentally, you will save and exit vim!)
zt - move current line
to the top of the screen
zb - move
current line to the bottom of the
screen
share
...
pdftk compression option
...rks TOC are gone
gs screen:
takes a ridiculously long time and 100% CPU
errors:
sfopen: gs_parse_file_name failed. ?
| ./base/gsicc_manage.c:1651: gsicc_set_device_profile(): cannot find device profile
74.8MB-->10.2MB hideously pixellated
bookmarks TOC ...
addEventListener vs onclick
...onevent property back to its initial state (i.e. null).
Doesn't respond to errors appropriately. For example, if you by mistake assign a string to window.onload, for example: window.onload = "test";, it won't throw any errors. Your code wouldn't work and it would be really hard to find out why. .add...
How to get the command line args passed to a running process on unix/linux systems?
...
the -ww option allows access to full command-line arguments (as much as is stored by the kernel). See Also: how solaris and bsd get the untruncated commandline parameters for a process and ps options
– GuruM
...