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What does “dereferencing” a pointer mean?
...he pointer may be relative to some specific memory area, which the CPU may select based on CPU "segment" registers or some manner of segment id encoded in the bit-pattern, and/or looking in different places depending on the machine code instructions using the address.
For example, an int* properly ...
Are custom elements valid HTML5?
... progress,
q,
ruby,
s,
samp,
script,
section,
select,
small,
span,
strong,
style (if the scoped attribute is present),
sub,
sup,
svg,
table,
textarea,
time,
u,
ul,
var,
video,
wbr
and Text
and so on.
At ...
Hover and Active only when not disabled
...
There's also the :not() selector, but then again, it's only supported since IE9 as well. See: developer.mozilla.org/en-US/docs/Web/CSS/:not
– jnns
Nov 28 '13 at 16:26
...
Can I disable autolayout for a specific subview at runtime?
...
Open project in 4.5
Select storyboard
Open the file inspector
Under Interface Builder Document uncheck 'Use Autolayout'
You can split across multiple storyboards if you want to use autolayout for some views.
...
Retain cycle on `self` with blocks
...
No problem, Kevin. SO delays you from selecting an answer to a question immediately, so I had to come back a little later. Cheers.
– Jonathan Sterling
Dec 4 '10 at 8:47
...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
...mgmt
for finding files, searching, etc
helm – incremental completion
and selection narrowing framework (or
swiper)
Other Resources
If you’re looking for a setup that already has done most/all of this
work for you, a couple options are:
prelude
spacemacs
...
How fast is D compared to C++?
...out printing code and replaced writefln with writeln
Changed imports to be selective
Used pow operator (^^) instead of manual multiplication for final step of calculating average
Removed the size_type and replaced appropriately with the new index_type alias
...thus resulting in scalar2.cpp (pasteb...
How can a windows service programmatically restart itself?
...location is in the services panel, right click the service in question and select properties, then choose recovery tab.
– James Michael Hare
Jul 7 '11 at 14:35
20
...
When should I use malloc in C and when don't I?
...y, but of course you don't know the file's size in advance, since the user selects the file on the spot, at runtime. So basically you need malloc when you don't know the size of the data you're working with in advance. At least that's one of the main reasons for using malloc. In your example with a ...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...o check the version of postgres if multiple versions are available
psql=# select VERSION();
PostgreSQL 9.1.13 on x86_64-unk.... # so version is 9.1
Now Open postgres user
vim /etc/postgresql/9.1/main/pg_hba.conf
9.1 is version return form upper command
and replace
local all ...