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Do HTML5 Script tag need type=“javascript”? [duplicate]
... So I'm reading up on the quote omission link you reference, and, a few lines down, in the Double-quoted attribute value syntax section, the example is <input name="be evil">. Does this make the consortium the arch nemesis of Google?
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sendmail: how to configure sendmail on ubuntu? [closed]
...il/sendmail.mc
You can test sendmail to see if it is properly configured and setup by typing the following into the command line:
$ echo "My test email being sent from sendmail" | /usr/sbin/sendmail myemail@domain.com
The following will allow you to add smtp relay to sendmail:
#Change to your ...
Check whether a string matches a regex in JS
... true
console.log(/^([a-z0-9]{5,})$/.test('abc123')); // true
...and you could remove the () from your regexp since you've no need for a capture.
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How to upgrade rubygems
...install rubygems-update
update_rubygems
gem update --system
run this commands as root or use sudo.
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Does Java have a complete enum for HTTP response codes?
I'm wondering if there is an enum type in some standard Java class library that defines symbolic constants for all of the valid HTTP response codes. It should support conversion to/from the corresponding integer values.
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Command line progress bar in Java
I have a Java program running in command line mode.
I would like to display a progress bar, showing the percentage of job done.
The same kind of progress bar you would see using wget under unix.
Is this possible?
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Does a foreign key automatically create an index?
...se through a FK-relationship, you'll often need to lookup a relating table and extract certain rows based on a single value or a range of values.
So it makes good sense to index any columns involved in a FK, but a FK per se is not an index.
Check out Kimberly Tripp's excellent article "When did SQ...
Casting a variable using a Type variable
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Here is an example of a cast and a convert:
using System;
public T CastObject<T>(object input) {
return (T) input;
}
public T ConvertObject<T>(object input) {
return (T) Convert.ChangeType(input, typeof(T));
}
Edit:
Some p...
How to set the thumbnail image on HTML5 video?
...Video First Frame as Thumbnail:
Add preload="metadata" to your video tag and the second of the first frame #t=0.5 to your video source:
<video width="400" controls="controls" preload="metadata">
<source src="https://www.w3schools.com/html/mov_bbb.mp4#t=0.5" type="video/mp4">
&...
RuntimeError on windows trying python multiprocessing
I am trying my very first formal python program using Threading and Multiprocessing on a windows machine. I am unable to launch the processes though, with python giving the following message. The thing is, I am not launching my threads in the main module. The threads are handled in a separate modu...