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MySQL InnoDB not releasing disk space after deleting data rows from table

... 2M data rows. When I deleted data rows from the table, it did not release allocated disk space. Nor did the size of the ibdata1 file reduce after running the optimize table command. ...
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How to avoid long nesting of asynchronous functions in Node.js

... I'm just a newbie in Node.js, so as far as I understand, if I want to use all of them in a single page (HTTP response) I'd have to nest them all: ...
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How to accept Date params in a GET request to Spring MVC Controller?

...can I suggest that you use the Joda DateTime library. Spring supports it really well. – Luciano Mar 1 '13 at 19:06 The...
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Echo newline in Bash prints literal \n

... Are you sure you are in bash? Works for me, all four ways: echo -e "Hello\nworld" echo -e 'Hello\nworld' echo Hello$'\n'world echo Hello ; echo world share | improve...
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Difference between android.app.Fragment and android.support.v4.app.Fragment

...lass in the android support library, which is a compatibility package that allows you to use some of the newer features of Android on older versions of Android. android.app.Fragment is the Fragment class in the native version of the Android SDK. It was introduced in Android 3 (API 11). If you want...
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Hg: How to do a rebase like git's rebase

...er mq nor rebase are enabled by default in mercurial: because mercurial is all about indelible changesets. When I work in the manner you're describing, which is nearly daily, here's the pattern I take: 1. Start working on a new feature: $ hg clone mainline-repo newfeature-123 do a few commits (M, ...
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In Git, what is the difference between origin/master vs origin master?

... There are actually three things here: origin master is two separate things, and origin/master is one thing. Three things total. Two branches: master is a local branch origin/master is a remote branch (which is a local copy of the branc...
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Is it possible to add an HTML link in the body of a MAILTO link [duplicate]

...-link it either before sending, or at the other end when receiving. For really long urls that will likely wrap due to all the parameters, wrap the link in a less than/greater than symbol. This tells the email client not to wrap the url. e.g. <http://www.example.com/foo.php?this=a&really...
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Align elements side by side

... @JCOC611: Ah, so clear usually follows when you want a momentary float ability? Makes sense. Thanks for the lesson. ;-) – Brad Christie Feb 9 '11 at 2:47 ...
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How to implement a confirmation (yes/no) DialogPreference?

...t. new AlertDialog.Builder(this) .setTitle("Title") .setMessage("Do you really want to whatever?") .setIcon(android.R.drawable.ic_dialog_alert) .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { ...