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MySQL: @variable vs. variable. What's the difference?
... is the entire session. That means that while your connection with the database exists, the variable can still be used.
This is in contrast with MSSQL, where the variable will only be available in the current batch of queries (stored procedure, script, or otherwise). It will not be available in a d...
Enable access control on simple HTTP server
... solution
Python 2 uses SimpleHTTPServer.SimpleHTTPRequestHandler and the BaseHTTPServer module to run the server.
#!/usr/bin/env python2
from SimpleHTTPServer import SimpleHTTPRequestHandler
import BaseHTTPServer
class CORSRequestHandler (SimpleHTTPRequestHandler):
def end_headers (self):
...
How to test my servlet using JUnit
... My dataManager is just a basic piece of code that submits it to the database. How would you test a Servlet with JUnit?
9...
Load view from an external xib file in storyboard
... Touch Class. Make sure "Subclass of:" is "UIView").
2) Add a view that's based on the xib as a subview to this view at initialization.
In Obj-C
-(id)initWithCoder:(NSCoder *)aDecoder{
if (self = [super initWithCoder:aDecoder]) {
UIView *xibView = [[[NSBundle mainBundle] loadNibNamed:...
MongoDB/NoSQL: Keeping Document Change History
A fairly common requirement in database applications is to track changes to one or more specific entities in a database. I've heard this called row versioning, a log table or a history table (I'm sure there are other names for it). There are a number of ways to approach it in an RDBMS--you can wri...
Good examples of Not a Functor/Functor/Applicative/Monad?
...istinguishes modes of failure. When I have a moment with easier than phone-based editing, I'll clarify that my example works only in a semantics for which there is not exactly one kind of undefined.
– pigworker
Aug 28 '11 at 15:13
...
Load and execution sequence of a web page?
I have done some web based projects, but I don't think too much about the load and execution sequence of an ordinary web page. But now I need to know detail. It's hard to find answers from Google or SO, so I created this question.
...
I want to execute shell commands from Maven's pom.xml
... </goals>
<configuration>
<executable>${basedir}/scripts/calculate-version.sh</executable>
</configuration>
</execution>
</executions>
</plugin>
...
Differences between hard real-time, soft real-time, and firm real-time?
... forecast system is not a good example, because you need to set a deadline based on time, and if you already knew when the earliest time a storm might happen by, the storm forecast system is kind of redundant.
– jxh
Feb 20 '14 at 15:59
...
initializer_list and move semantics
... number of elements, something that is inherently required by alternatives based on arrays and/or variadic functions, thus constraining the range of cases where the latter are usable. By my understanding, this is precisely one of the main rationales for having initializer_list, so it seemed worth me...