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What is the explicit promise construction antipattern and how do I avoid it?
...
The deferred antipattern (now explicit-construction anti-pattern) coined by Esailija is a common anti-pattern people who are new to promises make, I've made it myself when I first used promises. The problem with the above code is that is fails to utilize the fact that promises chain.
Promises can...
Does bit-shift depend on endianness?
...n the new value is stored back in memory, which is where the little endian byte order comes into effect again.
Update, thanks to @jww: On PowerPC the vector shifts and rotates are endian sensitive. You can have a value in a vector register and a shift will produce different results on little-endia...
Do subclasses inherit private fields?
...2):
Members of a class that are declared
private are not inherited by
subclasses of that class. Only members
of a class that are declared protected
or public are inherited by subclasses
declared in a package other than the
one in which the class is declared.
This addresses the ex...
Should I URL-encode POST data?
...general answer to your question is that it depends. And you get to decide by specifying what your "Content-Type" is in the HTTP headers.
A value of "application/x-www-form-urlencoded" means that your POST body will need to be URL encoded just like a GET parameter string. A value of "multipart/form...
List directory in Go
...the io/ioutil package. Per the docs:
ReadDir reads the directory named by dirname and returns a list of sorted directory entries.
The resulting slice contains os.FileInfo types, which provide the methods listed here. Here is a basic example that lists the name of everything in the current dire...
Difference between using bean id and name in Spring configuration file
... bean, you may also or
instead specify one or more bean ids,
separated by a comma (,), semicolon
(;), or whitespace in the 'name'
attribute.
So basically the id attribute conforms to the XML id attribute standards whereas name is a little more flexible. Generally speaking, I use name prett...
Ruby: Change negative number to positive number?
What's the simplest way of changing a negative number to positive with ruby?
3 Answers
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How do PHP sessions work? (not “how are they used?”)
...to the user when his session is created.
it is stored in a cookie (called, by default, PHPSESSID)
that cookie is sent by the browser to the server with each request
the server (PHP) uses that cookie, containing the session_id, to know which file corresponds to that user.
The data in the sessions f...
How to suppress “unused parameter” warnings in C?
...e of many that have to have the same signature because they are referenced by a function pointer.
– josch
Sep 19 '14 at 5:50
18
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Why is “throws Exception” necessary when calling a function?
...They usually are not the programmer's fault. For example, a file specified by user is not readable, or no network connection available, etc., In all these cases, our program doesn't need to exit, instead it can take actions like alerting the user, or go into a fallback mechanism(like offline working...