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How to change column datatype in SQL database without losing data
...ing the conversion goes wrong, you can always go back since you still have all the data..
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How to get started on TDD with Ruby on Rails? [closed]
...the concepts (took testing classes in college), but I am not sure how to really use them yet since I never worked on a "real" TDD project.
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How to use Git?
... who spends most of his spare time watching TV rather than coding. So basically I have zero experience with any kind of version control system. My understanding is somehow they make distribution of projects easier.
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Object.watch() for all browsers?
...s answer I gave to a similar question works fine here)
I have created a small object.watch shim for this a while ago. It works in IE8, Safari, Chrome, Firefox, Opera, etc.
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What does the “+” (plus sign) CSS selector mean?
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So essentially in your example it will match the first <p> after <h1>, but would it also match that same <p> if it came before <h1>? Or is it only after?
– Vincent
Jan 2 '...
git: fatal unable to auto-detect email address
...--global user.email "you@example.com"
Already been asked: Why Git is not allowing me to commit even after configuration?
To be sure Run:
$ git config --local -l
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How to fluently build JSON in Java?
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I am using the org.json library and found it to be nice and friendly.
Example:
String jsonString = new JSONObject()
.put("JSON1", "Hello World!")
.put("JSON2", "Hello my World!")
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How to “inverse match” with regex?
...place of .{6}
Edit (again): Note that lookaheads and lookbehinds are generally not the right way to "inverse" a regular expression match. Regexps aren't really set up for doing negative matching, they leave that to whatever language you are using them with.
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How to rename a table in SQL Server?
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And to add, don't accidentally put the schema in the 'NewName' field, otherwise your table might end up looking something like dbo.dbo.NewName.
– Michael Plautz
Jan 23 '17 at 21:12
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How to terminate a window in tmux?
... This works fine: Ctrl+b &, note, that you have to confirm with y to really kill the current window incluning all panes in that window. You will get be placed inside the window that you used last before that.
– rubo77
Sep 1 '16 at 5:02
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