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What is unit testing? [closed]
...er way to look at unit testing is that you write the tests first. This is known as Test-Driven Development (TDD for short). TDD brings additional advantages:
You don't write speculative "I might need this in the future" code -- just enough to make the tests pass
The code you've written is always c...
Delete column from SQLite table
...wing query:
CREATE TABLE table_name (Column_1 TEXT,Column_2 TEXT);
=>Now insert the data into table_name from existing_table with the following query:
INSERT INTO table_name (Column_1,Column_2) FROM existing_table;
=>Now drop the existing_table by following query:
DROP TABLE existing_ta...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
... most places where I add them. It's about consistency and legibility. You know, IMHO.
– nickf
Nov 7 '13 at 1:15
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show 2 more comments
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Can you use hash navigation without affecting history?
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Edit: It's been a couple years now, and browsers have evolved.
@Luxiyalu's answer is the way to go
--Old Answer--
I too think it is impossible (at this time). But why do you need to change the hash value if you are not going to use it?
I believe the ma...
Send message to specific client with socket.io and node.js
I'm working with socket.io and node.js and until now it seems pretty good, but I don't know how to send a message from the server to an specific client, something like this:
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What do the return values of node.js process.memoryUsage() stand for?
...dicated to storing reference types like objects, strings and closures.
Now it is easy to answer the question:
rss: Resident Set Size
heapTotal: Total Size of the Heap
heapUsed: Heap actually Used
Ref: http://apmblog.dynatrace.com/2015/11/04/understanding-garbage-collection-and-hunting-memory...
object==null or null==object?
...dn't be a usecase at all. Which means that, we are training ourselves that now that I use "null" first, its okay, even if I make a mistake. That doesn't mean that the code works as expected. Even if null = object is given in the place of null == object, the program is not going to work as expected! ...
Assert a function/method was not called using Mock
...led attribute, but if your assertion fails, the next thing you'll want to know is something about the unexpected call, so you may as well arrange for that information to be displayed from the start. Using unittest, you can check the contents of call_args_list instead:
self.assertItemsEqual(my_var.c...
How to reduce iOS AVPlayer start delay
... any given time have a maximum of 2 AVPlayers loaded.
Of course I don't know whether the switching can be done so smoothly that it does not disturb playback.
(Would have added this as a comment if I could.)
Best, Peter
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Replace one substring for another string in shell script
...ntext would represent itself, not a newline. I don't have Bash handy right now to test, but you should be able to write something like, $STRING="${STRING/$'\n'/<br />}". (Though you probably want STRING// -- replace-all -- instead of just STRING/.)
– ruakh
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