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What is the strict aliasing rule?
...ncing a pointer that aliases an object that is not of a compatible type or one of the other types allowed by C 2011 6.5 paragraph 71 is undefined behavior. Unfortunately, you can still code this way, maybe get some warnings, have it compile fine, only to have weird unexpected behavior when you run t...
Checking in of “commented out” code [closed]
...ow you'd enforce that anyway). What I will say is that you should get everyone on your team to buy in to the philosophy I described above. The team I work on embraces it wholeheartedly. As a result, source control is a frictonless team-member, one that helps us get our job done.
People who don't em...
Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
...ructive function, as the name implies, constructs something, a destructive one destroys something, but not in the way you may think now.
For example, the function
Function<Integer,Integer> f = (x,y) -> x + y
is a constructive one.
As you need to construct something. In the example
y...
Why is good UI design so hard for some Developers? [closed]
...son be so dumb not to understand what the expert understood 10 years ago?
One of the first facts to acknowledge that is unbelievably difficult to grasp for almost all experienced developers is this:
Normal people have a vastly different concept of software than you have. They have no clue whatsoe...
send mail from linux terminal in one line [closed]
...linux to send emails via command line. How can I send an simple email with one line from the terminal though?
7 Answers
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Class with single method — best approach?
...erforming the function, it can be destroyed. Is there any reason to prefer one of these approaches?
15 Answers
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Split string into an array in Bash
...e over the elements:
for element in "${array[@]}"
do
echo "$element"
done
To get both the index and the value:
for index in "${!array[@]}"
do
echo "$index ${array[index]}"
done
The last example is useful because Bash arrays are sparse. In other words, you can delete an element or add a...
Serialize an object to string
...() instead of typeof(T) in XmlSerializer constructor: if you use the first one the code covers all possible subclasses of T (which are valid for the method), while using the latter one will fail when passing a type derived from T.
Here is a link with some example code that motivate this stateme...
What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]
...kes it useful when you need a numeric value at the front "in case there is one" (note that parseInt("hui") also returns NaN). And the biggest difference is the use of radix that Number() doesn't know of and parseInt() may indirectly guess from the given string (that can cause weird results sometimes...
How do the Proxy, Decorator, Adapter, and Bridge Patterns differ?
...ions.
Facade is a higher-level (read: simpler) interface to a subsystem of one or more classes. Suppose you have a complex concept that requires multiple objects to represent. Making changes to that set of objects is confusing, because you don't always know which object has the method you need to ca...