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What is the pythonic way to detect the last element in a 'for' loop?
...r the last element in a for loop. There is a piece of code that should be called only between elements, being suppressed in the last one.
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Difference between sh and bash
When writing shell programs, we often use /bin/sh and /bin/bash . I usually use bash , but I don't know what's the difference between them.
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Optimizing away a “while(1);” in C++0x
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Does someone have a good explanation of why this was necessary to allow?
Yes, Hans Boehm provides a rationale for this in N1528: Why undefined behavior for infinite loops?, although this is WG14 document the rationale applies to C++ as well and the document refers to both WG14 and WG21:
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Why can a function modify some arguments as perceived by the caller, but not others?
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Some answers contain the word "copy" in a context of a function call. I find it confusing.
Python doesn't copy objects you pass during a function call ever.
Function parameters are names. When you call a function Python binds these parameters to whatever objects you pass (via names in a ...
Oracle Differences between NVL and Coalesce
...ented differently.
NVL always evaluates both arguments, while COALESCE usually stops evaluation whenever it finds the first non-NULL (there are some exceptions, such as sequence NEXTVAL):
SELECT SUM(val)
FROM (
SELECT NVL(1, LENGTH(RAWTOHEX(SYS_GUID()))) AS val
FROM dual
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What is a domain specific language? Anybody using it? And in what way?
... Groovy is a scripting language that runs in a JVM. It's basically intended to be a Java answer to Ruby. It's a general purpose language but it can be used to write DSLs. docs.groovy-lang.org/docs/latest/html/documentation/…
– Charlie Martin
Jul ...
Multiple HttpPost method in Web API controller
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How would the url look like than to call Route and TSPRoute?
– Si8
Jan 20 '17 at 15:21
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show 3 more c...
AngularJS: how to implement a simple file upload with multipart form?
... on "input-file" tags so you have to do it in a "native-way" that pass the all (eventually) selected files from the user.
controller
$scope.uploadFile = function(files) {
var fd = new FormData();
//Take the first selected file
fd.append("file", files[0]);
$http.post(uploadUrl, fd,...
Last non-empty cell in a column
...pasted the exact formula. I have a column (A), where the values are =ROW() all the way down to 127ish, and the formula returns "1"
– DontFretBrett
Oct 4 '13 at 19:09
2
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What is the difference between string primitives and String objects in JavaScript?
...rms of functionality. That aside, the behaviour you are trying to name is called auto-boxing. So what actually happens is that a primitive is converted to its wrapper type when a method of the wrapper type is invoked. Put simple:
var s = 'test';
Is a primitive data type. It has no methods, it is ...