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How can I list ALL grants a user received?
...# = c.obj#
and oa.col# = c.col#
and bitand(c.property, 32) = 0 /* not hidden column */
and oa.col# is not null
and oa.privilege# = tpm.privilege
and u.user# = o.owner#
and o.TYPE# in (2, 4, 42)
and ue.name = 'your user'
and bitand (o.flags, 128) = 0;
This will list all object grant...
Xcode 4.5 Storyboard 'Exit'
...v Center with your developer account details and then go to the WWDC 2012 videos page and watch "Adopting Storyboard in your App" (it's fifth from the top) The discussion of unwind segues starts at time 37:20.
Update:
Here is some more info on the subject from Apple's documentation
A placehol...
How to shrink/purge ibdata1 file in MySQL
...is enabled by default as of version 5.6.6 of MySQL.
It was a while ago I did this. However, to setup your server to use separate files for each table you need to change my.cnf in order to enable this:
[mysqld]
innodb_file_per_table=1
http://dev.mysql.com/doc/refman/5.5/en/innodb-multiple-tablesp...
Merge two Git repositories without breaking file history
...ove the old_a repo files and folders into a subdirectory so they don't collide with the other repo coming later
mkdir old_a
dir -exclude old_a | %{git mv $_.Name old_a}
# Commit the move
git commit -m "Move old_a files into subdir"
# Do the same thing for old_b
git remote add -f old_b <OldB rep...
What is the difference between LL and LR parsing?
...ol.
An LL parse is a left-to-right, leftmost derivation. That is, we consider the input symbols from the left to the right and attempt to construct a leftmost derivation. This is done by beginning at the start symbol and repeatedly expanding out the leftmost nonterminal until we arrive at the tar...
Can I set max_retries for requests.request?
...er a connection is made are by default not handled as these could lead to side-effects).
Old answer, predating the release of requests 1.2.1:
The requests library doesn't really make this configurable, nor does it intend to (see this pull request). Currently (requests 1.1), the retries count is ...
C++ auto keyword. Why is it magic?
...learn C++, auto has always been a weird storage duration specifier that didn't serve any purpose. But just recently, I encountered code that used it as a type name in and of itself. Out of curiosity I tried it, and it assumes the type of whatever I happen to assign to it!
...
Why would iterating over a List be faster than indexing through it?
...complexity is effectively O(N^2) just to traverse the list!
If instead I did this:
for(String s: list) {
System.out.println(s);
}
then what happens is this:
head -> print head -> item1 -> print item1 -> item2 -> print item2 etc.
all in a single traversal, which is O(N).
No...
How are Python's Built In Dictionaries Implemented?
...s a fail.
BTW, the dict will be resized if it is two-thirds full. This avoids slowing down lookups. (see dictobject.h:64-65)
NOTE: I did the research on Python Dict implementation in response to my own question about how multiple entries in a dict can have same hash values. I posted a slightly ed...
How do I set up a basic Ruby project?
...d executables go in bin
When in doubt, just look at how other gems are laid out.
Further information:
You should add rspec as a development dependency in your gemspec to make things easier for other developers
Edit my_lib.gemspec, adding gem.add_development_dependency 'rspec' and gem.add_dev...