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_DEBUG vs NDEBUG
... allowed to be #undef'd and #define'd within a single TU (and reincluding <assert.h> changes the assert macro accordingly). Because this is different than expected/desired, it's common to use another macro to control a "compile-wide" debug flag as this answer says.
– Rog...
Breaking out of a nested loop
... return to exit back to the main code.
// goto
for (int i = 0; i < 100; i++)
{
for (int j = 0; j < 100; j++)
{
goto Foo; // yeuck!
}
}
Foo:
Console.WriteLine("Hi");
vs:
// anon-method
Action work = delegate
{
for (int x = 0; x <...
What does the thread_local mean in C++11?
... its tokenisation efforts, while still being able to maintain state over multiple calls to strtok - this basically renders strtok_r (the thread-safe version) redundant.
Both these examples allow for the thread local variable to exist within the function that uses it. In pre-threaded code, it would ...
HtmlString vs. MvcHtmlString
...e sense to use IHtmlString or var for values returned from MVC functions. Alternatively I think you can now just switch to HtmlString throughout.
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Using helpers in model: how do I include helper dependencies?
...licationController.helpers.my_helper_method
Advance:
class HelperProxy < ActionView::Base
include ApplicationController.master_helper_module
def current_user
#let helpers act like we're a guest
nil
end
def self.instance
@instance ||= new
end
end
Source: http://...
Plot correlation matrix into a graph
...library(lattice)
#Build the horizontal and vertical axis information
hor <- c("214", "215", "216", "224", "211", "212", "213", "223", "226", "225")
ver <- paste("DM1-", hor, sep="")
#Build the fake correlation matrix
nrowcol <- length(ver)
cor <- matrix(runif(nrowcol*nrowcol, min=0.4),...
Why do we need the “event” keyword while defining events?
...e? Why not just say
class C
{
private int z;
public readonly Func<int, int> M = (int x)=>{ return x+z; }
// ... and so on
}
?
You don't need methods, properties or events. We give you that stuff because the method, property and event design patterns are important and useful,...
IntelliJ and Tomcat…changed files are not automatically recognized by Tomcat
I am running Intellij Ultimate with Tomcat and deploy a war. Everything deploys fine to the webapp directory of tomcat.
...
Getting the closest string match
I need a way to compare multiple strings to a test string and return the string that closely resembles it:
12 Answers
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Best database field type for a URL
...which is shared among all columns) and the character set used.
So ...
< MySQL 5.0.3 use TEXT
or
>= MySQL 5.0.3 use VARCHAR(2083)
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