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What is the difference between Strategy design pattern and State design pattern?
...lgorithms in a
strategy pattern. The callers to the object does not change based on
which strategy is being employed, but regardless of strategy the goal
is the same (sort the collection).
The State pattern is about doing different things based on the
state, while leaving the caller relieved from th...
Any implementation of Ordered Set in Java?
... the impression that since Java 1.6 there were several default collections based on skip lists (like, say, ConcurrentSkipListSet etc.).
– TacticalCoder
Jan 3 '12 at 12:55
...
How to return raw string with ApiController?
...tml"
)
};
}
or
public IHttpActionResult Get()
{
return base.ResponseMessage(new HttpResponseMessage()
{
Content = new StringContent(
"<strong>test</strong>",
Encoding.UTF8,
"text/html"
)
});
}
...
LPCSTR, LPCTSTR and LPTSTR
...
@BlueRaja, I was mainly referring to C based strings in my answer. But for C++ I would avoid std::string because it is still an ASCII based string and prefer std::wstring instead.
– JaredPar
May 12 '10 at 17:25
...
Selecting pandas column by location
...
You could use label based using .loc or index based using .iloc method to do column-slicing including column ranges:
In [50]: import pandas as pd
In [51]: import numpy as np
In [52]: df = pd.DataFrame(np.random.rand(4,4), columns = list('abcd...
increase legend font size ggplot2
...
You can also specify the font size relative to the base_size included in themes such as theme_bw() (where base_size is 11) using the rel() function.
For example:
ggplot(mtcars, aes(disp, mpg, col=as.factor(cyl))) +
geom_point() +
theme_bw() +
theme(legend.text=element...
Whether a variable is undefined [duplicate]
...
function my_url (base, opt)
{
var retval = ["" + base];
retval.push( opt.page_name ? "&page_name=" + opt.page_name : "");
retval.push( opt.table_name ? "&table_name=" + opt.table_name : "");
retval.push( opt.optionResu...
How do I tokenize a string in C++?
...
C++ standard library algorithms are pretty universally based around iterators rather than concrete containers. Unfortunately this makes it hard to provide a Java-like split function in the C++ standard library, even though nobody argues that this would be convenient. But what wou...
Timer function to provide time in nano seconds using C++
...en RDTSC and your system's built-in clock facilities (which will likely be based on clock(), clock_gettime() and/or QueryPerformanceCounter.
Note that the RDTSC instruction is x86-specific. QueryPerformanceCounter is Windows only. And clock_gettime() is POSIX only. Below I introduce two new cloc...
Git-Based Source Control in the Enterprise: Suggested Tools and Practices?
...ar that you think your current process will end up with a maintainable codebase.
Invest some time into Continous Integration. As I outlined above, regardless which kind of VCS you use, there's never a replacement for CI. You stated that there are people who push crap into the master repo: Have them ...