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SET versus SELECT when assigning variables?
...ter to run once in order to understand, check, play, memorize that to just read but other answers are just text
– Gennady Vanin Геннадий Ванин
Oct 16 '10 at 7:36
4
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Boost Statechart vs. Meta State Machine
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As Christophe has already mentioned, one of the key differences between the two libraries is runtime performance. While MSM probably offers the best you can get here, Statechart consciously trades memory and processor cycles towards better scala...
Make Iframe to fit 100% of container's remaining height
...storical reasons.
The trick is to understand what the 100% is taken of. Reading CSS specs can help you there.
To make a long story short - there is such a thing as "containing block" - which is not necessary the parent element. Simply said, it is the first element up the hierarchy that has posit...
Git submodule head 'reference is not a tree' error
... super-project), there are two ways to do it.
The first requires you to already know the commit from the submodule that you want to use. It works from the “inside, out” by directly adjusting the submodule then updating the super-project. The second works from the “outside, in” by finding th...
Is there a naming convention for MySQL?
...ueries in a short amount of time is better having all simple to write (and read).
Avoid prefixes. Unless you are using the same database for tables of different applications, don't use prefixes. This only add more verbosity to your queries. There are situations when this could be useful, for example...
What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association
...AaronDigulla everytime I have to go through a OneToMany mappings I came to read this answer, probably the best on the subject on SO.
– Eugene
Nov 2 '12 at 7:14
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What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?
...ily forget everything you used to know about standalone database datatypes
Read the above link from the SQLite site.
Take the types based off of your old schema, and see what they'd map to in SQLite
Migrate all the data to the SQLite database.
Note: The datatype limitations can be cumbersome, espe...
Why use symbols as hash keys in Ruby?
...and compare the result against the (hashed) values of the keys which are already stored in the Hash.
If you use a symbol as a Hash key, it's implicit that it's immutable, so Ruby can basically just do a comparison of the (hash function of the) object-id against the (hashed) object-ids of keys which...
How can I pass selected row to commandLink inside dataTable or ui:repeat?
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Your post is between the most useful posts I ever read. I used method 5 because I'm forced to use servlet 2.5. My question now is if it's possible to send a parameter with commandLink (like in your example) but using ajax?
– Aditzu
Dec ...
How to get existing fragments when using FragmentPagerAdapter
...eneral solution should also apply to FragmentStatePagerAdapter.
If you're reading this you probably already know that FragmentPagerAdapter/FragmentStatePagerAdapter is meant to create Fragments for your ViewPager, but upon Activity recreation (whether from a device rotation or the system killing yo...