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How to parse/read a YAML file into a Python object? [duplicate]
...
Here is one way to test which YAML implementation the user has selected on the virtualenv (or the system) and then define load_yaml_file appropriately:
load_yaml_file = None
if not load_yaml_file:
try:
import yaml
load_yam...
ANTLR: Is there a simple example?
...ens should now be generated.
To see if it all works properly, create this test class:
import org.antlr.runtime.*;
public class ANTLRDemo {
public static void main(String[] args) throws Exception {
ANTLRStringStream in = new ANTLRStringStream("12*(5-6)");
ExpLexer lexer = new E...
Why do we need the “finally” clause in Python?
...xception. (Or if you don't catch that specific exception.)
myfile = open("test.txt", "w")
try:
myfile.write("the Answer is: ")
myfile.write(42) # raises TypeError, which will be propagated to caller
finally:
myfile.close() # will be executed before TypeError is propagated
In th...
Sqlite or MySql? How to decide? [closed]
... ensure that multiple processes don't screw the file up). It's really well tested and I like it a lot.
Also, if you aren't able to choose this correctly by yourself, you probably need to hire someone on your team who can.
s...
How do you detect where two line segments intersect? [closed]
...es Cramer's Rule (don't ask me) to solve the equations themselves.
I can attest that it works in my feeble asteroids clone, and seems to deal correctly with the edge cases described in other answers by Elemental, Dan and Wodzu. It's also probably faster than the code posted by KingNestor because it'...
How to work with Git branches and Rails migrations
...es, the data is not there. This is totally fine if you are developing with tests.
– Adam Dymitruk
Jan 26 '11 at 21:11
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Most efficient way to prepend a value to an array
...
I have some fresh tests of different methods of prepending.
For small arrays (<1000 elems) the leader is for cycle coupled with a push method.
For huge arrays, Unshift method becomes the leader.
But this situation is actual only for Chrome...
Which Architecture patterns are used on Android? [closed]
...her (through use of the presenter), it also becomes much more intuitive to test your model. You can have unit tests for your domain model, and unit tests for your presenters.
Try it out. I personally find it a great fit for Android development.
...
Detect a finger swipe through JavaScript on the iPhone and Android
... null;
yDown = null;
};
Tested in Android.
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How do I upload a file with metadata using a REST web service?
...y around. I would do:
POST http://server/data/media
body:
{
"Name": "Test",
"Latitude": 12.59817,
"Longitude": 52.12873
}
To create the metadata entry and return a response like:
201 Created
Location: http://server/data/media/21323
{
"Name": "Test",
"Latitude": 12.59817,
...