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What are the best practices for SQLite on Android?
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Inserts, updates, deletes and reads are generally OK from multiple threads, but Brad's answer is not correct. You have to be careful with how you create your connections and use them. There are situations where your update calls will fail, even if your database doesn'...
IntelliJ Split Window Navigation
...how do I switch/toggle from one tab group to another via the keyboard? If all of the tabs are in the same group you can switch from each tab easily (CTRL + right/left arrow), but when they're in separate tab groups I can't. I've searched through the key mappings and have not found one that seems t...
“unmappable character for encoding” warning in Java
...o your line should read:
String copyright = "\u00a9 2003-2008 My Company. All rights reserved.";
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What reason is there to use null instead of undefined in JavaScript?
...t undefined is always preferable and serves the same purpose programmatically. What are some practical reasons to use null instead of undefined ?
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MongoDB inserts float when trying to insert integer
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By default, the mongo shell treats all numbers as floating-point values. So we need to explicitly specify what type of number we want to use e.g. NumberInt or NumberLong. docs.mongodb.org/manual/core/shell-types
– Yadu
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How to get the changes on a branch in Git
...ots, not three). This is identical to git log branch --not HEAD, and means all commits on branch that aren't on HEAD.
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Use rvmrc or ruby-version file to set a project gemset with RVM?
...f your .rvmrc file contains custom shell code, continue using .rvmrc as it allows you to include any shell code.
If your only aim is to switch Ruby versions, then use .ruby-version which is supported by other Ruby version switchers such as rbenv or chruby. This file also does not require trusting a...
jQuery count child elements
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It really depends on which browser you use. In many modern browsers, adding the element uses findByElement before finding by id or class, which is slower. Soon this will be a moot point either way though, because all DOM searches ...
XPath query to get nth instance of an element
...L file (whose contents I do not control) that has several input elements all with the same fixed id attribute of "search_query" . The contents of the file can change, but I know that I always want to get the second input element with the id attribute "search_query" .
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MVC pattern on Android
... means a part of the Activity instantiation. You CAN (but do not have to) call various Activity methods that interact with your views when and if you see fit. Second question: Assuming Activity is intended to take the "controller" role (I believe many Android devs see it that way) why not talk to yo...