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vs
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The original intention in C++98 was that you should use <cstdint> in C++, to avoid polluting the global namespace (well, not <cstdint> in particular, that's only added in C++11, but the <c*> headers in general).
However, implementations persisted in putting the s...
log4j: Log output of a specific class to a specific appender
... logger from logging to the appenders of it's ancestors (it's true by default), In this case, had the additivity been left to true, logging to the Baz appender would have written to both files.
– Maurice Perry
May 25 '15 at 16:36
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Cannot import XSSF in Apache POI
...poi-ooxml/3.11/poi-ooxml-3.11.jar
For Maven2 add the below dependency -
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.11</version>
</dependency>
...
“Comparison method violates its general contract!”
...at I got when I Googled this error, my problem was that I had
if (value < other.value)
return -1;
else if (value >= other.value)
return 1;
else
return 0;
the value >= other.value should (obviously) actually be value > other.value so that you can actually return 0 with equal obj...
Reverse Range in Swift
...
There's something troubling about the asymmetry of this:
for i in (1..<5).reverse()
...as opposed to this:
for i in 1..<5 {
It means that every time I want to do a reverse range, I have to remember to put the parentheses, plus I have to write that .reverse() on the end, sticking out l...
Twig for loop for arrays with keys
...
There's this example in the SensioLab page on the for tag:
<h1>Members</h1>
<ul>
{% for key, user in users %}
<li>{{ key }}: {{ user.username|e }}</li>
{% endfor %}
</ul>
http://twig.sensiolabs.org/doc/tags/for.html#iterating-over-...
Ruby class instance variable vs. class variable
... @things
end
def things
self.class.things
end
end
class Child < Parent
@things = []
end
Parent.things << :car
Child.things << :doll
mom = Parent.new
dad = Parent.new
p Parent.things #=> [:car]
p Child.things #=> [:doll]
p mom.things #=> [:car]
p dad.thing...
CSS: center element within a element
...
.right {
margin:auto 0 auto auto;
background-color:yellow;
}
<div id="parent">
<div id="child1" class="block center">
a block to align center and with text aligned left
</div>
<div id="child2" class="block left">
a block to align ...
A std::map that keep track of the order of insertion?
I currently have a std::map<std::string,int> that stores an integer value to an unique string identifier, and I do look up with the string. It does mostly what I want, except for that it does not keep track of the insertion order. So when I iterate the the map to print out the values, they a...
When should I use a List vs a LinkedList
...ould not be an accepted answer. As I was
learning I did some tests and felt like sharing them.
Original answer...
I found interesting results:
// Temporary class to show the example
class Temp
{
public decimal A, B, C, D;
public Temp(decimal a, decimal b, decimal c, decimal d)
{
...