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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...
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, ...
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...
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?
...
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
...
How to delete multiple files at once in Bash on Linux?
...
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
...
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.
...
EJB's - when to use Remote and/or local interfaces?
...Java EE is that it is easy to scale (which I believe means you can deploy different components on different servers). Is that where Remote and Local interfaces come in? Are you supposed to use Remote interfaces if you expect your application to have different components on different servers? And use...
cmake and libpthread
... was part way there. You can add the compiler option as well, like this:
If you have CMake 3.1.0+, this becomes even easier:
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
target_link_libraries(my_app PRIVATE Threads::Threads)
If you are using CMake 2.8.12+, you can simplify...
How to compare two NSDates: Which is more recent?
...2;
Then the following comparison will tell which is earlier/later/same:
if ([date1 compare:date2] == NSOrderedDescending) {
NSLog(@"date1 is later than date2");
} else if ([date1 compare:date2] == NSOrderedAscending) {
NSLog(@"date1 is earlier than date2");
} else {
NSLog(@"dates are ...