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How to rollback just one step using rake db:migrate
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361
For starters
rake db:rollback will get you back one step
then
rake db:rollback STEP=n
Wil...
How to find what code is run by a button or element in Chrome using Developer Tools
...ou with this beautiful entanglement of minified code:
(click to zoom)
3. Find the glorious code!
Now, the trick here is to not get carried away pressing the key, and keep an eye out on the screen.
Press the F11 key (Step In) until desired source code appears
Source code finally reached
In ...
How to determine function name from inside a function
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238
You can use ${FUNCNAME[0]} in bash to get the function name.
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Matlab: Running an m-file from command-line
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edited Jul 15 at 8:39
Giovanni Mascellani
97688 silver badges2323 bronze badges
answered Jul 16 '...
Why is the JVM stack-based and the Dalvik VM register-based?
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3 Answers
3
Active
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Only one expression can be specified in the select list when the subquery is not introduced with EXI
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235
You can't return two (or multiple) columns in your subquery to do the comparison in the WHERE A...
How do I convert a org.w3c.dom.Document object to a String?
I want to convert a org.w3c.dom.Document object to a String. I'm using Java 6 and am open to using any (completely free) technology that is up to the task. I tried the solution from this thread -- Is there a more elegant way to convert an XML Document to a String in Java than this code? , where t...
Executing a command stored in a variable from PowerShell
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213
Here is yet another way without Invoke-Expression but with two variables
(command:string and p...
In git how is fetch different than pull and how is merge different than rebase?
... LarsH
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answered Feb 15 '13 at 13:14
pestrellapestrella
8,95833 go...
Multi-line regex support in Vim
...ng (.|\n)*
– ojrac
May 25 '10 at 1:23
2
What does the forward slash in the :h /\_. do? I mean, I ...