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Difference between document.addEventListener and window.addEventListener?
...mple, the "DOMContentLoaded" event is only on the document object.
So basically, you need to know which object receives the event you are interested in and use .addEventListener() on that particular object.
Here's an interesting chart that shows which types of objects create which types of events:...
JS - get image width and height from the base64 code
...y instead to fix that initial 0 width and height problem. Code assumes you call this function somewhere in your work where document is already loaded.
– Desu
Jul 21 '13 at 18:04
...
Does Redis persist data?
...
I suggest you read about this on http://redis.io/topics/persistence . Basically you lose the guaranteed persistence when you increase performance by using only in-memory storing. Imagine a scenario where you INSERT into memory, but before it gets persisted to disk lose power. There will be data los...
How to correctly iterate through getElementsByClassName
...
If you use the new querySelectorAll you can call forEach directly.
document.querySelectorAll('.edit').forEach(function(button) {
// Now do something with my button
});
Per the comment below. nodeLists do not have a forEach function.
If using this with babel you...
What is a git topic branch?
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Topic branches are typically lightweight branches that you create locally and that have a name that is meaningful for you. They are where you might do work for a bug fix or feature (they're also called feature branches) that is expected to take som...
How does Django's Meta class work?
... among the class instances (hence the name Meta for 'metadata' but you can call it anything you like). While in Django it's generally read-only configuration stuff, there is nothing to stop you changing it:
In [1]: class Foo(object):
...: class Meta:
...: metaVal = 1
...: ...
Why not use exceptions as regular flow of control?
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Exceptions are basically non-local goto statements with all the consequences of the latter. Using exceptions for flow control violates a principle of least astonishment, make programs hard to read (remember that programs are written for program...
How can I change property names when serializing with Json.net?
...SON as Classes". -- It's built in to Visual Studio. -- From there, you basically just need to set things up as title case / rename stuff to use .NET naming conventions, etc. (using a title case converter for the former, and the JsonProperty attribute for the latter).
– BrainSlu...
How can I strip the whitespace from Pandas DataFrame headers?
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You can now just call .str.strip on the columns if you're using a recent version:
In [5]:
df = pd.DataFrame(columns=['Year', 'Month ', 'Value'])
print(df.columns.tolist())
df.columns = df.columns.str.strip()
df.columns.tolist()
['Year', 'Mo...
Do I need a Global.asax.cs file at all if I'm using an OWIN Startup.cs class and move all configurat
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Startup.Configuration gets called slightly later than Application_Start, but I don't think the difference will matter much in most cases.
I believe the major reasons we kept the other code in Global.asax are:
Consistency with previous versions of MV...