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Current location permission dialog disappears too quickly

...rdinates , and provides a distance to or from their destination or origin. All these possible destinations are shown in a table view, so I'm getting the users co-ordinates at the same time as populating the table. The only thing is, the alert view that asks for the users location appears then disapp...
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Adding a column to an existing table in a Rails migration

...cord::Migration[5.0] def change end end In that case you have to manually an add_column to change: class AddEmailToUsers < ActiveRecord::Migration[5.0] def change add_column :users, :email, :string end end And then run rake db:migrate ...
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Why implement interface explicitly?

...tance, if you implement both IComparable<T> and IComparable it is usually nicer to hide the IComparable overload to not give people the impression that you can compare objects of different types. Similarly, some interfaces are not CLS-compliant, like IConvertible, so if you don't explicitly im...
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What's the best practice using a settings file in Python? [closed]

... This is a pretty bad idea as if you want to allow low-privileged users to be able to change configuration files only, this way you're essentially allowing them to sneak in privileged code. – nikolay Jun 27 '12 at 23:17 ...
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jQuery attr vs prop?

... Unfortunately none of your links work :( Some insight though, attr is for all attributes. prop is for properties. In older jQuery versions (<1.6), we just had attr. To get to DOM properties such as nodeName, selectedIndex, or defaultValue you had to do something like: var elem = $("#foo")[0]; if...
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How to use HTML to print header and footer on every printed page of a document?

... This did not work for me, I'm using Chrome 15.0. All it does is print the element where it would be on the screen, e.g. in the middle of the page, if that's where I scrolled to. It certainly doesn't print on every page. – chharvey Dec ...
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How do I fix a merge conflict due to removal of a file in a branch?

... I normally just run git mergetool and it will prompt me if I want to keep the modified file or keep it deleted. This is the quickest way IMHO since it's one command instead of several per file. If you have a bunch of deleted files...
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JSON Array iteration in Android/Java

...or iterator() { return this.myArrayList.iterator(); } This will make all instances of JSONArray iterable, meaning that the for (Object foo : bar) syntax will now work with it (note that foo has to be an Object, because JSONArrays do not have a declared type). All this works because the JSONArr...
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How can I get a Dialog style activity window to fill the screen?

...tivity with the dialog theme set, and I want it to be full screen. I tried all sorts of things, even going through the WindowManager to expand the window to full width and height manually, but nothing works. ...
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How to git-svn clone the last n revisions from a Subversion repository?

... You've already discovered the simplest way to specify a shallow clone in Git-SVN, by specifying the SVN revision number that you want to start your clone at ( -r$REV:HEAD). For example: git svn clone -s -r1450:HEAD some/svn/repo Git's data structure is based on pointers in a dir...