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Unioning two tables with different number of columns
...mns. For null columns, I had to use: NULL AS col_name1, NULL AS col_name2, etc
– Scott R
Dec 12 '19 at 15:24
1
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How can I force users to access my page over HTTPS instead of HTTP?
...Doesn't REQUEST_URI not include the "query string" (like ?page=1&id=41 etc.)? That's what the apache documentation says... So if I try to access site.com/index.php?page=1&id=12 I will be redirected site.com/index.php
– Rolf
Jul 8 '13 at 13:00
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In Python, if I return inside a “with” block, will the file still close?
...call of a finally statement: "Note that exit handlers and finally clauses, etc., will not be executed."
– Rik Poggi
Mar 27 '12 at 7:55
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Coding in Other (Spoken) Languages
...mbols. Later I learn that "for" meant "para" and "while" meant "mientras" etc. but in the mean time I did not need to know English, but in my case what I needed was to know "C".
Of course when I needed to learn more things, I had to learn English, for the documentation is written in that language....
Read a file in Node.js
...or the web. These are only appropriate for grunt/gulp tasks, console apps, etc. They pause the entire process while reading. The OP's code references response so it's clearly a web app where readFileSync is not appropriate.
– Samuel Neff
Jun 6 '15 at 4:39
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What is the best project structure for a Python application? [closed]
...e a number of top-level files (like setup.py, README.md, requirements.txt, etc). There are then three directories that every project should have:
A docs directory containing project documentation
A directory named with the project's name which stores the actual Python package
A test directory in on...
What do “branch”, “tag” and “trunk” mean in Subversion repositories?
...one of many. Some teams would do bug fix/maintenance releases as 1.1, 1.2, etc., and major changes as 1.x, 2.x, etc. The usage here is the same, but you may name the branch "1" or "1.x" instead of "1.0" or "1.0.x". (Aside, semantic versioning is a good guide on how to do version numbers).
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__proto__ VS. prototype in JavaScript
... is the actual object that is used in the lookup chain to resolve methods, etc. prototype is the object that is used to build __proto__ when you create an object with new:
( new Foo ).__proto__ === Foo.prototype;
( new Foo ).prototype === undefined;
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Case objects vs Enumerations in Scala
...xtends Enumeration {
val GBP = Value("GBP")
val EUR = Value("EUR") //etc.
}
Then you can do:
val ccy = Currency.withName("EUR")
This is useful when wishing to persist enumerations (for example, to a database) or create them from data residing in files. However, I find in general that enumer...
Instance attribute attribute_name defined outside __init__
...ions in lieu of using exit(1). You get tracebacks, your code is reusable, etc.
class Wizard:
def __init__(self, argv):
self.name,self.magic_ability = self.parse_arguments(argv)
def parse_arguments(self, argv):
assert len(argv) == 2
return argv[0],argv[1]
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