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Why do you have to call .items() when iterating over a dictionary in Python?
...te over the same items. Implementation-wise they are different operations (__contains__ vs. __iter__). But that little inconsistency would be somewhat confusing and, well, inconsistent.
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What is the difference between dict.items() and dict.iteritems() in Python2?
...= dct.items() and then modify dct by adding/deleting keys or dct[k] = other_v, items will stay the same.
– djs
May 5 '12 at 3:07
4
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Can you nest html forms?
... form attribute can be the solution.
From http://www.w3schools.com/tags/att_input_form.asp:
The form attribute is new in HTML5.
Specifies which <form> element an <input> element belongs to. The value of this attribute must be the id attribute of a <form> element in the sam...
Is it expensive to use try-catch blocks even if an exception is never thrown?
...
public class TryFinally {
public TryFinally();
Code:
0: aload_0
1: invokespecial #1 // Method java/lang/Object."<init>":()V
4: return
public static void main(java.lang.String[]) throws java.lang.Throwable;
Code:
0: new #2 ...
Is there a way to cache GitHub credentials for pushing commits?
...le:
chmod 600 ~/.netrc
Note that on Windows, this file should be called _netrc, and you may need to define the %HOME% environment variable - for more details see:
Git - How to use .netrc file on Windows to save user and password
...
JavaScript and Threads
...rial.
Here is a simple example with 3 Web Worker threads that count to MAX_VALUE and show the current computed value in our page:
//As a worker normally take another JavaScript file to execute we convert the function in an URL: http://stackoverflow.com/a/16799132/2576706
function getScriptPat...
How to add Google Analytics Tracking ID to GitHub Pages
...ng Info > Tracking Code.
Create a new file called analytics.html in the _includes folder found in your Jekyll website’s directory.
Add Google Analytics Tracking ID code to analytics.html.
Finally, open _layouts/head.html, and add {% include analytics.html %} just before the end </head> ta...
Difference between . and : in Lua
...
To be completely precise, obj:method(1, 2, 3) is the same as
do
local _obj = obj
_obj.method(_obj, 1, 2, 3)
end
Why the local variable? Because, as many have pointed out, obj:method() only indexes _ENV once to get obj. This normally just important when considering speed, but consider this s...
How can I maximize a split window?
...l T) to move any open window to its own tab.
As mentioned by others Ctrl+W_ / Ctrl+W| to maximize within the current tab/window layout (while respecting min height/width settings for various other windows).
(Ctrl+W= resizes all windows to equal size, respecting the minimum height/width settings)
...
GDB missing in OS X v10.9 (Mavericks)
...ered Oct 23 '13 at 23:57
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