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ActiveRecord: List columns in table from console
...rmation for a table through ActiveRecord. Crucially for me it was the only and easiest way to gain confidence in what my primary key really was at the database level.
– nibbex
Mar 11 '15 at 17:30
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Google Developer Tools “Network” Tab clears after redirect
Google Developer Tools "Network" Tab clears after redirect to another page and i want to know if there is any way to keep all request?
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Undo scaffolding in Rails
Is there any way to 'undo' the effects of a scaffold command in Rails?
24 Answers
24
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Change Image of ImageView programmatically in Android
...ricyicy says, the problem is that the xml is defining the background image and the code is changing the resource image. Those are not the same. Setting the resource image is what is actually desired here, so the xml should be fixed.
– Martin Epsz
Oct 20 '15 at ...
List files committed for a revision
...t particular revision, adding username instead of revision lists all files and revisions for the user svn log --verbose --username 'username'
– Satish
Jun 9 '11 at 16:58
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How do I toggle an ng-show in AngularJS based on a boolean?
...lying to messages that I want to show only when isReplyFormOpen is true, and everytime I click the reply button I want to toggle whether the form is shown or not. How can I do this?
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Merge (with squash) all changes from another branch as a single commit
...rom Git merge
--squash
--no-squash
Produce the working tree and index state as if a real merge
happened (except for the merge
information), but do not actually make
a commit or move the HEAD, nor record
$GIT_DIR/MERGE_HEAD to cause the next
git commit command to create a mer...
Prevent redirection of Xmlhttprequest
...s when sending XMLHttpRequest-s (i.e. to get the redirect status code back and handle it myself)?
4 Answers
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How can I switch my git repository to a particular commit
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All the above commands create a new branch and with the latest commit being the one specified in the command, but just in case you want your current branch HEAD to move to the specified commit, below is the command:
git checkout <commit_h...
Calling Java varargs method with single null argument?
If I have a vararg Java method foo(Object ...arg) and I call foo(null, null) , I have both arg[0] and arg[1] as null s. But if I call foo(null) , arg itself is null. Why is this happening?
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