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how to draw smooth curve through N points using javascript HTML5 canvas?
...coordinates to an array then drawing them with lineTo. The resulting line is not smooth. How can I produce a single curve between all the gathered points?
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How to create a file in Linux from terminal window? [closed]
...tput of some command.
eg: grep --help > randomtext.txt
echo "This is some text" > randomtext.txt
nano /path/to/file or vi /path/to/file (or any other editor emacs,gedit etc)
It either opens the existing one for editing or creates & opens the empty file to enter, if it doesn't exi...
How can I view a git log of just one user's commits?
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This works for both git log and gitk - the 2 most common ways of viewing history.
You don't need to use the whole name:
git log --author="Jon"
will match a commit made by "Jonathan Smith"
git log --author=Jon
and
git log --au...
How do I quickly rename a MySQL database (change schema name)?
The MySQL manual at MySQL covers this.
48 Answers
48
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mongodb: insert if not exists
Every day, I receive a stock of documents (an update). What I want to do is insert each item that does not already exist.
8...
How to center icon and text in a android button with width set to “fill parent”
...ntered inside it. I'm using the drawableLeft attribute to set the image, this works well if the button has a width of "wrap_content" but I need to stretch to max width so I use width "fill_parent" . This moves my icon straight to the left of the button and I want both icon and text centered insid...
How to check for a JSON response using RSpec?
.../ params as necessary
response.body.should == @expected
EDIT
Changing this to a post makes it a bit trickier. Here's a way to handle it:
it "responds with JSON" do
my_model = stub_model(MyModel,:save=>true)
MyModel.stub(:new).with({'these' => 'params'}) { my_model }
post :crea...
How to get next/previous record in MySQL?
... go from one to another by navigation via next/previous links. The problem is, that I don't know how to fetch record with nearest higher ID.
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How to publish a website made by Node.js to Github Pages?
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GitHub pages host only static HTML pages. No server side technology is supported, so Node.js applications won't run on GitHub pages. There are lots of hosting providers, as listed on the Node.js wiki.
App fog seems to be the most economical as it provides free hosting for projects with 2GB o...
How to detect first time app launch on an iPhone
...
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
if (![[NSUserDefaults standardUserDefaults] boolForKey:@"HasLaunchedOnce"])
{
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"HasLaunchedOnce...