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d3 axis labeling
...o D3's axis component, but you can add labels yourself simply by adding an SVG text element. A good example of this is my recreation of Gapminder’s animated bubble chart, The Wealth & Health of Nations. The x-axis label looks like this:
svg.append("text")
.attr("class", "x label")
.at...
What is a message pump?
...ead or maintain a thread pool. A thread pool would have to be meticulously tested to make sure all COM references were correctly released. Even starting and shutting down instances requires you to make sure all references are released correctly. Failure to dot your i's and cross your t's here will r...
Android: upgrading DB version and adding new table
...e version number, but before adding the execSQL call, the database on your test device/emulator may already believe it's at version 2.
A quick way to verify this would be to change the version number to 3 -- if it upgrades after that, you know it was just because your device believed it was already...
Use Font Awesome Icon As Favicon
...teiro If you visit fontawesome.com/download you can download the icons as .svg files. Most browsers will accept an .svg asset as a favicon. If you need to support old versions of IE, you can get a nice clean raster asset (such as a .png) by converting the .svg using Photoshop or Illustrator.
...
Simple tool to 'accept theirs' or 'accept mine' on a whole file using git
...s ours)
To checkout the other version you can use one of:
git checkout test-branch -- <filename>
or
git checkout --theirs -- <filename>
or
git show :3:<filename> > <filename> # (stage 3 is theirs)
You would also need to run 'add' to mark it as resolved:
git ad...
What is the difference between “screen” and “only screen” in media queries?
...to make sure it is not interpreted as
media="screen"
It would be a good test for someone with access to a device lab.
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Releasing memory in Python
...than the block that you free.
In 3.x range doesn't create a list, so the test above won't create 10 million int objects. Even if it did, the int type in 3.x is basically a 2.x long, which doesn't implement a freelist.
shar...
What is Ember RunLoop and how does it work?
...ues listed above, Ember only makes reference to the queue in their RunLoop test cases. It seems that such a queue would have been used in the SproutCore days based on some of the descriptions from the above articles about timers being the last thing to fire. In Ember, the timers queue isn't used. In...
Using IQueryable with Linq
...
@Testing You're actually still not going to the DB. Until you actually enumerate the results (ie: use a foreach, or call ToList()), you don't actually hit the DB.
– Reed Copsey
Nov 1 '12...
将Genymotion模拟器与App Inventor一起使用 · App Inventor 2 中文网
...保 aiStarter 正在运行，然后访问页面 http://appinventor.mit.edu/test.html 。您应该看到[b]：
如果 aiStarter 控制台可见，则应该也能看到一些活动：
让 AVD 和 aiStarter 保持运行。
下载 MIT AI2 Companion App [c]http://ai2.appinventor.mit.edu/com...