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Why do you need explicitly have the “self” argument in a Python method?
... to make things like this explicit rather than based on a rule.
Additionally, since nothing is implied or assumed, parts of the implementation are exposed. self.__class__, self.__dict__ and other "internal" structures are available in an obvious way.
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How to write header row with csv.DictWriter?
...ion "functionality", I'd prefer to code it myself; that way you can report ALL "extras" with the keys and values, not just the first extra key. What is a real nuisance with DictWriter is that if you've verified the keys yourself as each dict was being built, you need to remember to use extrasaction=...
What does a colon following a C++ constructor name do? [duplicate]
...ctor's signature is:
MyClass();
This means that the constructor can be called with no parameters. This makes it a default constructor, i.e., one which will be called by default when you write MyClass someObject;.
The part : m_classID(-1), m_userdata(0) is called initialization list. It is a way...
Changing the selected option of an HTML Select element
.... I used post-increment instead of pre-increment, and then I added another test which is slightly faster than your 3rd test.
– kzh
Nov 4 '13 at 14:03
1
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*.h or *.hpp for your class definitions
...ss definitions, but after reading some boost library code, I realised they all use *.hpp . I've always had an aversion to that file extension, I think mainly because I'm not used to it.
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How to write to a file in Scala?
...portance are Resource, ReadChars and WriteChars.
File - File is a File (called Path) API that is based on a combination of Java 7 NIO filesystem and SBT PathFinder APIs.
Path and FileSystem are the main entry points into the Scala IO File API.
import scalax.io._
val output:Output = Resourc...
How to disable / enable dialog negative positive buttons?
...r.inflate(R.layout.dialog,null);
builder.setView(view);
builder.setTitle("Test");
builder.setPositiveButton("ok", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "Ok clicked", Toast.LENGTH_S...
How can I pass data from Flask to JavaScript in a template?
...e';
</script>
<script type="text/javascript" src="/static/test123.js"></script>
If I input jinja variables in test123.js it doesn't work and you will get an error.
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Remove a cookie
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@machineaddict unset($_COOKIE['Hello']); is actually important if you might check the cookie somewhere later in the code.
– Andreas Hultgren
Jun 13 '14 at 12:08
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Visualizing branch topology in Git
...n parentheses— e.g. in the lg1 & lg2 screenshots you can see (origin/test_on_10.8) showing the remote branch, and in the lg2 screenshot you can see (HEAD -> master, origin/master, origin/HEAD) showing both local and remote positions of the master branch and HEAD. This matches what popular ...