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What is the _snowman param in Ruby on Rails 3 forms for?
...result, it's extremely common for Ruby applications (and PHP applications, etc. etc.) to exhibit this user-facing bug, and therefore extremely common for users to try to change the encoding as a palliative measure.
All that said, when I wrote this patch, I didn't realize that the name of the parame...
Check if a string contains one of 10 characters
...C# and I want to check if a string contains one of ten characters, *, &, # etc etc.
6 Answers
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Is MonoTouch now banned on the iPhone? [closed]
...product in development was to be iPhone/iPad only (who cares about Android etc) and in MonoTouch. We have now reconsidered, and we will now be Obj-C as required, but we will also be sure to have Android and WinPhone support available day 1 too. A business cannot afford the uncertainty of behaviour,...
How to use the 'sweep' function
...by FUN.
For instance, if you want to add 1 to the 1st row, 2 to the 2nd, etc. of the matrix you defined, you will do:
sweep (M, 1, c(1: 4), "+")
I frankly did not understand the definition in the R documentation either, I just learned by looking up examples.
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Adjust width of input field to its input
...al width of rendered text taking into account font, size, weight, kerning, etc.? If so, please share as I would find that bit of code useful on occasion.
– Tahbaza
Aug 3 '10 at 0:43
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How persistent is localStorage?
...ific. If you store data with firefox it won't be available in chrome or ie etc. Also as far as clearing cookies and sessions, I've noticed it is also browser specific as to whether or not the local storage is cleared. I'd look into the details a lot if you're really planning on relying on local stor...
How to store arrays in MySQL?
... provides a convenient new way to store complex data: lists, dictionaries, etc.
That said, rrays don't map well databases which is why object-relational maps can be quite complex. Historically people have stored lists/arrays in MySQL by creating a table that describes them and adding each value as ...
Argparse: Required argument 'y' if 'x' is present
...ample, when your nargs is > 1, you'll get a list in the parsed argument etc., which you can address in the usual manners. E.g., a,b = args.prox, a = args.prox[0], etc.
– Dannid
Jul 10 '17 at 21:15
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setImmediate vs. nextTick
...─────┬────────────┘ │ data, etc. │
│ ┌──────────┴────────────┐ └───────────────┘
│ │ check │
│ └──────────┬...
CSS Properties: Display vs. Visibility
...(i.e. it has height and width properties that you can set, it's floatable, etc), or an inline-block (i.e. it acts like a block box but is laid inline instead) and some others (list-item, table, table-row, table-cell, flex, etc).
When you set an element to display: block but also set visibility: hid...