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How do I create a directory from within Emacs?
...-directory RET RET
Emacs asks to create the parent directories automatically while saving a new file in recent Emacs versions. For older version, see How to make Emacs create intermediate dirs - when saving a file?
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Why does Java have transient fields?
...that are derived from other fields, and should only be done so programmatically, rather than having the state be persisted via serialization.
Here's a GalleryImage class which contains an image and a thumbnail derived from the image:
class GalleryImage implements Serializable
{
private Image ...
Turn off spell checking in Eclipse for good
...swered Jun 9 '11 at 15:13
Matt BallMatt Ball
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Is it possible for a unit test to assert that a method calls sys.exit()
I have a python 2.7 method that sometimes calls
4 Answers
4
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How to use android emulator for testing bluetooth application?
... the emulator include:
No support for placing or receiving actual phone calls. However, You
can simulate phone calls (placed and received) through the emulator
console
No support for USB
No support for device-attached headphones
No support for determining SD card insert/eject
No support for WiFi,...
Can Vim highlight matching HTML tags like Notepad++?
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@GregSexton you're officially an hero now ;)
– lucapette
Nov 23 '11 at 18:06
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Persistent :set syntax for a given filetype?
... uses Twig, and the filetypes are myfile.html.twig . Vim doesn't automatically detect the syntax highlighting and so applies none. I can use :set syntax=HTML after I've opened the file but this is a pain when jumping between files.
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_DEBUG vs NDEBUG
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+1. NDEBUG in particular is allowed to be #undef'd and #define'd within a single TU (and reincluding <assert.h> changes the assert macro accordingly). Because this is different than expected/desired, it's common to use another macro to control a ...
How do I make a transparent canvas in html5?
...e top layer to transparent at the start of rendering every new frame. I finally found the answer: it's not using globalAlpha, and it's not using a rgba() color. The simple, effective answer is:
context.clearRect(0,0,width,height);
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What's the difference between the build and create methods in FactoryGirl?
...ance of the model while the build() method keeps it only on memory.
Personally, I use the create() method only when persistence is really necessary since writing to DB makes testing time consuming.
e.g.
I create users to authentication with create() because my authentication engine queries the D...