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rake db:schema:load vs. migrations
...creation in the migration files. The seed.rb file can be used for this, or custom rake or deploy tasks. Putting this into migration files mixes your database schema specification with your data specification and can lead to conflicts when running migration files.
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What is the difference between __init__ and __call__?
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Defining a custom __call__() method in the meta-class allows the class's instance to be called as a function, not always modifying the instance itself.
In [1]: class A:
...: def __init__(self):
...: print "init"
.....
Get Visual Studio to run a T4 Template on every build
...ide the path to TextTransform.exe sucks. You can already right-click "Run Custom Tool" in Visual Studio, so it already has the tool's path. Why do I have to go through the work of providing it again when I'm building from a Visual Studio context?
– Jez
May 18...
How do you copy a record in a SQL table but swap out the unique id of the new row?
... only that, but I am supporting many different versions of our database as customers may not all be up-to-date with the current version.
I took the solution by Jonas and modified it slightly. This allows me to make a copy of the row and then change the primary key before adding it back into the or...
Android TextView Justify Text
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I've not been successful in getting it to load a custom font/typeface, however. I've tried this and this suggestion, without any luck.
– Paul Lammertsma
Sep 12 '11 at 21:16
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Formatting a float to 2 decimal places
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There are different between "0" and "#" in custom format. "0": Replaces the zero with the corresponding digit if one is present; otherwise, zero appears in the result string. "#": Replaces the "#" symbol with the corresponding digit if one is present; otherwise, no di...
Triggering HTML5 Form Validation
... Golden sentence "You can't trigger the native validation UI". In my case (custom JS tricks + Browser html5 validation + UI tooltips) I had no choice than go for hidden submit button at the end to get both
– lukmdo
Jun 12 '12 at 16:26
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Find out whether Chrome console is open
... toString() on functions when printing them to console. So one can print a custom function object with toString() method override returning empty string. Additionally you could use console formatting string %c and set color:transparent to make sure potentially printed text prints as invisible. I use...
Can I record/play macros in Visual Studio 2012/2013/2015/2017/2019?
...is makes the next step easier, otherwise remember its position)
then go to customize/Keyboard, search for Tools.ExternalCommand1 and add your preferred keyboard shortcut.
This will open the current document in Sublime at the same cursor position that you were in VS.
(also, Sublime can do macros i...
Node: log in a file instead of the console
... but now with a logger library to wrap the functionality around logging of custom objects and formatting. Here is a sample of our logger.js https://gist.github.com/rtgibbons/7354879
Should be as simple as this.
var access = fs.createWriteStream(dir + '/node.access.log', { flags: 'a' })
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