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How to get the first column of a pandas DataFrame as a Series?
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Would be worth adding the .iloc alternative (as proposed by Jeff further down on this page), as it is not ambiguous in the presence of columns with numbers for names.
– sapo_cosmico
Apr 16 '16 at 14:04
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Count the items from a IEnumerable without iterating?
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IEnumerable doesn't support this. This is by design. IEnumerable uses lazy evaluation to get the elements you ask for just before you need them.
If you want to know the number of items without iterating over them you can use ICollection<T>, it has a Count prop...
Best way to add page specific JavaScript in a Rails 3 app?
... have extra js assets which are combined and only loaded on specific pages by splitting your js into groups which only apply in certain controllers/views/sections of the site.
Move your js in assets into folders, with a separate manifest file for each, so if you had an admin js library that is onl...
How does one capture a Mac's command key via JavaScript?
...ows key is considered to be the "meta" key, it is not going to be captured by browsers as such.
This is only for the command key on MacOS/keyboards.
Unlike Shift/Alt/Ctrl, the Cmd (“Apple”) key is not considered a modifier key—instead, you should listen on keydown/keyup and record when a k...
Difference between numeric, float and decimal in SQL Server
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use the float or real data types only if the precision provided by decimal (up to 38 digits) is insufficient
Approximate numeric data types do not store the exact values specified for many numbers; they store an extremely close approximation of the value.(Technet)
Avoid using float or ...
OO Design in Rails: Where to put stuff
... really enjoying Rails (even though I'm generally RESTless), and I enjoy Ruby being very OO. Still, the tendency to make huge ActiveRecord subclasses and huge controllers is quite natural (even if you do use a controller per resource). If you were to create deeper object worlds, where would you put ...
Cannot ignore .idea/workspace.xml - keeps popping up
... ALREADY commited into the repo previously, and so they were being tracked by git regardless of whether you ignored them or not. I would recommend the following, after closing RubyMine/IntelliJ or whatever IDE you are using:
mv .idea ../.idea_backup
rm .idea # in case you forgot to close your IDE
g...
Inno Setup for Windows service?
... }
}
Basically you can have your service to install/uninstall on its own by using ManagedInstallerClass as shown in my example.
Then it's just matter of adding into your InnoSetup script something like this:
[Run]
Filename: "{app}\MYSERVICE.EXE"; Parameters: "--install"
[UninstallRun]
Filename:...
Cached, PHP generated Thumbnails load slowly
...HP-generated thumbnails. The protocol-less jquery loading from CDN advised by David got my bounty, albeit making my site only 3% faster overall, and while not answering the site's main bottleneck. Time for for clarification of my question, and, another bounty:
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What does an underscore in front of an import statement mean?
...nly side effect that a package can make, without being actually called, is by creating package-level variables (public or private) and inside it's init function.
Note: There is a trick to run a function before even init function. We can use package level variables for this by initializing them usin...