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How is mime type of an uploaded file determined by browser?
...of writing) has 3 ways to determine the MIME type and does so in a certain order. The snippet below is from file src/net/base/mime_util.cc, method MimeUtil::GetMimeTypeFromExtensionHelper.
// We implement the same algorithm as Mozilla for mapping a file extension to
// a mime type. That is, we firs...
postgresql list and order tables by size
How can I list all the tables of a PostgreSQL database and order them by size ?
7 Answers
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In bash, how does one clear the current input?
...se keystrokes in fact come from the read line library: cnswww.cns.cwru.edu/php/chet/readline/rluserman.html .. so you can find them in any tool which user interface uses the library (Actually Emacs, bash, etc..). You can customize its behavior by editing the .inputrc file (take a look to the link ab...
PostgreSQL Crosstab Query
...ELECT *
FROM crosstab(
'SELECT section, status, ct
FROM tbl
ORDER BY 1,2' -- needs to be "ORDER BY 1,2" here
) AS ct ("Section" text, "Active" int, "Inactive" int);
Returns:
Section | Active | Inactive
---------+--------+----------
A | 1 | 2
B | ...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
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Yes, the order of elements in a python list is persistent.
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What do I use for a max-heap implementation in Python?
...ou have something that doesn't easily map to int/float, you can invert the ordering by wrapping them in a class with an inverted __lt__ operator.
– Daniel Stutzbach
Jul 23 '12 at 14:05
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JSP tricks to make templating easier?
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Note - it seems the order of tags is important; jsp:attribute must come before jsp:body or you'll get an error. Also I had to set a corresponding @attribute tag to match jsp:invoke to avoid another error. Using GlassFish 3.2.2
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Preferred way to create a Scala list
...nstruct your list depends on the algorithm you'll use the list for and the order in which you get the elements to create it.
For instance, if you get the elements in the opposite order of when they are going to be used, then you can just use a List and do prepends. Whether you'll do so with a tail-...
How to exit an if clause
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When PHP introduced goto I turned to Python php.net/manual/en/control-structures.goto.php
– Marc
Jul 26 '15 at 18:36
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What is the difference between JSON and Object Literal Notation?
...ge-independent, meaning they can be processed by Java, Python, JavaScript, PHP, you name it.
In contrast, JavaScript is a programming language. Of course JavaScript also provides a way to define/describe data, but the syntax is very specific to JavaScript.
As a counter example, Python has the conc...