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Why can tuples contain mutable items?
...ings down, and would certainly be less memory efficient.
So you see, in order to fulfill their purpose, tuples must be immutable, but also must be able to contain mutable objects. If the designers of Python wanted to create an immutable object that guarantees that all the objects it "contains" ar...
multi-step registration process issues in asp.net mvc (split viewmodels, single model)
...he step 2 view you could use the Html.Serialize helper from MVC futures in order to serialize step 1 into a hidden field inside the form (sort of a ViewState if you wish):
@using (Html.BeginForm("Step2", "Wizard"))
{
@Html.Serialize("Step1", Model.Step1)
@Html.EditorFor(x => x.Step2)
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jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
It can be anoying that jQuery event handlers always execute in the order they were bound. For example:
10 Answers
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Redefine tab as 4 spaces
...our tab character width to be different from the width of your indents, in order to reduce the chance of tab characters masquerading as proper indents. (list + expandtab can help here too) Also, 8-char-wide tabs is "the standard" -- your terminal, Python, and many other tools default to 8-char-wide-...
Difference between Document-based and Key/Value-based databases?
...plex queries, your application will have to create and maintain indexes in order to access the desired data.
Document databases support queries by key and map-reduce functions as well, but also allow you to do basic queries by value, such as "Give me all users with more than 10 posts". Document dat...
M_PI works with math.h but not with cmath in Visual Studio
...Time.h may be included indirectly in your project. In my case one possible order of including was the following:
project's "stdafx.h" → <afxdtctl.h> → <afxdisp.h> → <ATLComTime.h> → <math.h>
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capturing self strongly in this block is likely to lead to a retain cycle
...etter read from right to left. Declaring SomeType* __weak variable in this order reads more naturally from right to left as: variable is a weak pointer to SomeType.
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How big can a MySQL database get before performance starts to degrade
...tables. Getting a clean import of a dump file has become problematic. In order to make the process stable enough to automate, various choices needed to be made to prioritize stability over performance. If we ever had to recover from a disaster using a SQL backup, we'd be down for days.
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Reorder levels of a factor without changing order of values
...with some numerical variables and some categorical factor variables. The order of levels for those factors is not the way I want them to be.
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Android buildscript repositories: jcenter VS mavencentral
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