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The simplest way to comma-delimit a list?
.../trunk/src/java/org/… The join method has 9 overloadings. The iteration-based ones are like "Sample solution 3"; the index-based ones use: if (i > startIndex) { <add separator> }
– 13ren
Mar 21 '09 at 11:15
...
What C++ Smart Pointer Implementations are available?
...c garbage collection. Most of my limited understanding and assumptions are based on Herb Sutter's Effective Use of auto_ptr and I do use it regularly although not always in the most optimized way.
C++11
std::unique_ptr - This is our friend who will be replacing std::auto_ptr it will be quite sim...
How to sort my paws?
...aw impacts to determine which paw is which.
Try to identify the "pawprint" based purely on its shape.
Basically, the first method works with the dog's paws follow the trapezoidal-like pattern shown in Ivo's question above, but fails whenever the paws don't follow that pattern. It's fairly easy to ...
Smallest data URI image possible for a transparent image
...ds (in some browsers).
Shorter (but unstable - 74 bytes)
data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
I would advise using the slightly longer and more stable version as follows:
⇊ Stable ⇊ (but slightly longer - 78 bytes)
data:image/gif;base64,R0lGODlhAQABAI...
How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?
... D
Virtual inheritance means that there will be only 1 instance of the base A class not 2.
Your type D would have 2 vtable pointers (you can see them in the first diagram), one for B and one for C who virtually inherit A. D's object size is increased because it stores 2 pointers now; however ...
Can we define implicit conversions of enums in c#?
...rmal enum (though you can refactor some of the above into a common generic base class). You can go even further by having the base class implement IComparable & IEquatable, as well as adding methods to return the value of DescriptionAttributes, declared names, etc, etc.
I wrote a base class (Ri...
How to escape a JSON string to have it in a URL?
...n handy in certain situations.
Rather than URL-encoding the data, you can base64-encode it. The benefit of this is the encoded data is very generic, consisting only of alpha characters and sometimes trailing ='s. Example:
JSON array-of-strings:
["option", "Fred's dog", "Bill & Trudy", "param...
How to select rows from a DataFrame based on column values?
How to select rows from a DataFrame based on values in some column in Pandas?
10 Answers
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How to get domain URL and application name?
...ould make this question more sense), then you can make use of the HTML <base> tag:
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<c:set var="req" value="${pageContext.request}" />
<c:s...
What's the difference between Ruby's dup and clone methods?
...ng a different object id), while dup is intended to duplicate an object as base for an new instance.
– 3limin4t0r
Oct 13 '18 at 10:12
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