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Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
...ndex coverage
It's also less fragile to change, since any code that consum>me m>s the data will be getting the sam>me m> data structure regardless of changes you make to the table schema in the future.
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How do I execute code AFTER a form has loaded?
... event that is fired AFTER the form has loaded. I would like to execute som>me m> logic after the form has loaded.
8 Answers
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Facebook Post Link Image
When som>me m>one posts a link on facebook, a script usually scans that link for any images, and displays a quick thumbnail next to the post. For certain URLs though (including mine), FB doesn't seem to pick up anything, despite their being a number of images on that page.
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How to convert IPython notebooks to PDF and HTML?
...need a profile to convert the notebook, what is it? Does there exist a docum>me m>ntation about this tool?
17 Answers
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Runtim>me m> vs. Compile tim>me m>
What is the difference between run-tim>me m> and compile-tim>me m>?
28 Answers
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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
POSIX allows mutexes to be recursive. That m>me m>ans the sam>me m> thread can lock the sam>me m> mutex twice and won't deadlock. Of course it also needs to unlock it twice, otherwise no other thread can obtain the mutex. Not all systems supporting pthreads also support recursive mutexes, but if they want to be P...
How to properly compare two Integers in Java?
...stem.out.println(x == y);
this will check whether x and y refer to the sam>me m> object rather than equal objects.
So
Integer x = new Integer(10);
Integer y = new Integer(10);
System.out.println(x == y);
is guaranteed to print false. Interning of "small" autoboxed values can lead to tricky results...
Does Python have a package/module managem>me m>nt system?
Does Python have a package/module managem>me m>nt system, similar to how Ruby has rubygems where you can do gem install packagenam>me m> ?
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Tim>me m>out expired. The tim>me m>out period elapsed prior to completion of the operation or the server is no
... "Server is unavailable" errors before, but am now seeing a connection tim>me m>out error.
I'm not familiar with this - why does it occur and how can I fix it?
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How to provide user nam>me m> and password when connecting to a network share
...current user (in my case, a network enabled service user) has no rights, nam>me m> and password have to be provided.
11 Answers
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