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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...
This is what I usually do to get SQL generated in console
-> script/console
Loading development environment (Rails 2.1.2)
>> ActiveRecord::Base.logger = Logger.new STDOUT
>> Event.first
You have to do this when you first start the console, if you do this after you have ty...
How to add an object to an array
How can I add an object to an array (in javascript or jquery)?
For example, what is the problem with this code?
13 Answ...
Xcode variables
...t variables such as PROJECT_DIR to use in some situations, such as a run script build phase. I am wondering if it's possible to get the build type (i.e., Release or Debug ). Any ideas?
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Checking a Python module version at runtime
...ff I write that has external dependencies (3rd party libraries), I write a script that users can run to check their python install to see if the appropriate versions of modules are installed.
For the modules that don't have a defined 'version' attribute, you can inspect the interfaces it contains...
Bypass popup blocker on window.open when JQuery event.preventDefault() is set
...indow.postMessage) but because of Safaris restriction of not executing JavaScript in the background, the parent window can never send that location change.
– roundrobin
May 14 '14 at 0:28
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Scala vs. Groovy vs. Clojure [closed]
...reter as well as being compiled, which makes it good for fast prototyping, scripts, and learning dynamic languages without having to learn a new syntax (assuming you know Java). As of Groovy 2.0, it also has growing support for static compilation. Groovy supports closures and has support for program...
How do I pass multiple parameters into a function in PowerShell?
...own. There are others as well, but probably the most useful one is ValidateScript. This takes a script block that must evaluate to $true, so the sky is the limit. For example:
function Get-Something
{
Param
(
[Parameter(Mandatory=$true, Position=0)]
[ValidateScript({ Test-...
npm check and update package if needed
...est runner into TeamCity and for that I'd like to give sys-engineers small script (powershell or whatever) that would:
11 A...
How to set Python's default version to 3.x on OS X?
...es to add as well, i.e.:
alias 2='python2'
alias 3='python3'
Tip: For scripts, instead of using a shebang like:
#!/usr/bin/env python
use:
#!/usr/bin/env python3
This way, the system will use python3 for running python executables.
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Can I see changes before I save my file in Vim?
... A more sane approach to use vimdiff would be creating a shell script containing the following vim - -c ":vnew $1 |windo diffthis", making it executable, saving it in the PATH as for example vimdiffWithStdin and then comparing with the following command in vim: :w !vimdiffWithStdin %
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