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Else clause on Python while statement
...struct:
while condition:
handle_true()
else:
# condition is false now, handle and go on with the rest of the program
handle_false()
An example might be along the lines of:
while value < threshold:
if not process_acceptable_value(value):
# something went wrong, exit the...
How to convert a data frame column to numeric type?
... that you should apply transform function in order to complete your task.
Now I'm about to demonstrate certain "conversion anomaly":
# create dummy data.frame
d <- data.frame(char = letters[1:5],
fake_char = as.character(1:5),
fac = factor(1:5),
...
Freeze screen in chrome debugger / DevTools panel for popover inspection?
... (by hovering or however) and wait until Chrome breaks into the Debugger.
Now click on the Elements tab in the Chrome Inspector, and you can look for your element there.
You may also be able to click on the Find Element icon (looks like a magnifying glass) and Chrome will let you go and inspect an...
How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?
...ally inherit A. D's object size is increased because it stores 2 pointers now; however there is only one A now.
So B::A and C::A are the same and so there can be no ambiguous calls from D. If you don't use virtual inheritance you have the second diagram above. And any call to a member of A the...
Which is more efficient: Multiple MySQL tables or one large table?
...multiple values in future. e.g. credit limit is a single value field as of now. But tomorrow, you may decide to change the values as (date from, date to, credit value). Split tables might come handy now.
My vote would be for multiple tables - with data appropriately split.
Good luck.
...
How can I benchmark JavaScript code? [closed]
... Sure, no offense mate. I just thought I’d comment for future reference now that more research has been done on the subject.
– Mathias Bynens
Feb 24 '11 at 10:24
4
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Display numbers with ordinal suffix in PHP
...
Although a bit difficult to understand at first, I do now think it best represents how the ordinal suffix system works for English.
– erisco
Jun 24 '10 at 14:44
...
What's the purpose of git-mv?
... in parallel. At some point if we want to merge the projects how will git know that it's the same file just renamed it's path? (if "git mv" == "git add + git rm")
– Rose
Dec 27 '12 at 0:22
...
Necessary to add link tag for favicon.ico?
...
To choose a different location or file type (e.g. PNG or SVG) for the favicon:
One reason can be that you want to have the icon in a specific location, perhaps in the images folder or something alike. For example:
<link rel="icon" hre...
Is it possible to allow didSet to be called during initialization in Swift?
...
Don't know why it works -- but it does. Directly setting the new value within the init()-Method doesn't call didSet() -- but using the given Method setSomeProperty() does.
– Oliver
Aug 10 '14 a...