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Uppercase or lowercase doctype?
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In XML serializations (i.e. XHTML) the DOCTYPE is not required, but if you use it, DOCTYPE should be uppercase:
<!DOCTYPE html>
See The XML serialization of HTML5, aka ‘XHTML5’:
Note that if you don’t uppercase DOCTYPE in an XHTML document, the XML parser will return a synt...
How do HTML parses work if they're not using regexp?
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Usually by using a tokeniser. The draft HTML5 specification has an extensive algorithm for handling "real world HTML".
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Sometimes adding a WCF Service Reference generates an empty reference.cs
... the time it's because I've got a type name conflict it couldn't resolve.
If you right-click on your service reference and click configure and uncheck "Reuse Types in Referenced Assemblies" it'll likely resolve the issue.
If you were using some aspect of this feature, you might need to make sure y...
Is it necessary to write HEAD, BODY and HTML tags?
...estrictions are largely technical and won't ordinarily affect you. So yes, if it matters to your page whether a comment node or white space appears just before the head element or just inside it, (the page's JS could depend on it) then you must explicitly identify the head start tag to make that rel...
Can't connect to MySQL server error 111 [closed]
...y means that your MySQL server is only listening the localhost interface.
If you have lines like this :
bind-address = 127.0.0.1
In your my.cnf configuration file, you should comment them (add a # at the beginning of the lines), and restart MySQL.
sudo service mysql restart
Of course, to do t...
What does the star operator mean, in a function call?
... to accept any number of positional and/or named arguments that aren't specifically named in the declaration.
Example:
def sum(*values):
s = 0
for v in values:
s = s + v
return s
s = sum(1, 2, 3, 4, 5)
or with **:
def get_a(**values):
return values['a']
s = get_a(a=1, ...
Call an activity method from a fragment
...ctivity to fragment:
FragmentManager fm = getSupportFragmentManager();
//if you added fragment via layout xml
YourFragmentClass fragment = (YourFragmentClass)fm.findFragmentById(R.id.your_fragment_id);
fragment.yourPublicMethod();
If you added fragment via code and used a tag string when you add...
Facebook database design?
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It said that Facebook has around 1'000'000'000 users. If the average user has 100 friends, that means the table would contain 100'000'000'000 rows. MySQL partitioning?
– veidelis
Jun 4 '14 at 7:30
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How to delete multiple files at once in Bash on Linux?
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Don't use "rm" if you wish to restore the files in future .You can use "rm-trash" utility : github.com/nateshmbhat/rm-trash
– Natesh bhat
Nov 20 '18 at 14:28
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make iframe height dynamic based on content inside- JQUERY/Javascript
I am loading an aspx web page in an iframe. The content in the Iframe can be of more height than the iframe's height. The iframe should not have scroll bars.
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