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Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...olaris systems.
(http://www.oracle.com/technetwork/java/hotspotfaq-138619.html#gc_heap_32bit)
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Difference between socket and websocket?
... @huggie nope. There is a small bit of framing: tools.ietf.org/html/rfc6455#section-5 (2 bytes for small messages).
– kanaka
Dec 3 '14 at 18:19
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Align button at the bottom of div using CSS
... @Harry Joy: Then there's too much confusion here. You should post your HTML/CSS as a jsFiddle test case.
– thirtydot
Apr 28 '11 at 10:50
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Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
... The shared_mutex docs are at boost.org/doc/libs/1_47_0/doc/html/thread/…. You either lock the mutex as shared or exclusive, and then use the corresponding unlock function. You can also use the RAII types to do this (shared_lock takes a shared read lock, and lock_guard and unique_lo...
Rails params explained?
...en params[:foo] would be "1" and params[:boo] would be "octopus".
In HTTP/HTML, the params are really just a series of key-value pairs where the key and the value are strings, but Ruby on Rails has a special syntax for making the params be a hash with hashes inside. For example, if the user's brow...
Logical operator in a handlebars.js {{#if}} conditional
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Note that this wasn't possible until HTMLBars in Ember 1.10. Also, those helpers come as an Ember CLI addon if you'd rather: github.com/jmurphyau/ember-truth-helpers.
– stephen.hanson
Jul 31 '15 at 15:06
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What is declarative programming? [closed]
...
Here's an example.
In CSS (used to style HTML pages), if you want an image element to be 100 pixels high and 100 pixels wide, you simply "declare" that that's what you want as follows:
#myImageId {
height: 100px;
width: 100px;
}
You can consider CSS a declarative...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...he user before it will GRANT ALL: postgresql.org/docs/8.2/static/sql-grant.html
– Bent Cardan
May 12 '12 at 19:55
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How can javascript upload a blob?
...(e) { ... };
xhr.send(file);
Granted, if you are replacing a traditional HTML multipart form with an "AJAX" implementation (that is, your back-end consumes multipart form data), you want to use the FormData object as described in another answer.
Source: New Tricks in XMLHttpRequest2 | HTML5 Rocks...
node and Error: EMFILE, too many open files
...evlog/2014/1/11/how-to-determine-whats-causing-error-connect-emfile-nodejs.html
How To Isolate
This command will output the number of open handles for nodejs processes:
lsof -i -n -P | grep nodejs
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
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nodejs 12211 root 1012u IP...