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Java: Date from unix timestamp

...ent the specified number of milliseconds since the standard base time known as "the epoch", namely January 1, 1970, 00:00:00 GMT. share | improve this answer | follo...
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Maximum single-sell profit

...pective max and min. If we use this approach, our recurrence relation is now T(1) <= O(1) T(n) <= 2T(n / 2) + O(1) Using the Master Theorem here gives us a runtime of O(n) with O(lg n) space, which is even better than our original solution! But wait a minute - we can do even better than ...
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How to create permanent PowerShell Aliases

...n SilentlyContinue powershell_ise.exe .\Microsoft.PowerShell_profile.ps1 Now add your alias to the Microsoft.PowerShell_profile.ps1 file that is now opened: function Do-ActualThing { # do actual thing } Set-Alias MyAlias Do-ActualThing Then save it, and refresh the current session with: ...
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How can I detect when the mouse leaves the window?

....nodeName == "HTML") { // stop your drag event here // for now we can just use an alert alert("left window"); } }); Finally, here is an html page with the script embedded for debugging: <html> <head> <script type="text/javascript"> function addEvent(obj...
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How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?

...master: mysqldump -u root -p --all-databases > /a/path/mysqldump.sql Now you can release the lock, even if the dump hasn't ended yet. To do it, perform the following command in the MySQL client: UNLOCK TABLES; Now copy the dump file to the slave using scp or your preferred tool. At the sla...
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How important is the order of columns in indexes?

...while Column 1 above does negate 1/2 the possibilities, the index already knows which index page to go straight to for the Column2 value, it does not necessary need Column 1 to narrow down the set. – CodeCowboyOrg Mar 23 '15 at 17:57 ...
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Difference between volatile and synchronized in Java

...ariables cannot be reordered with each other. The difference is that it is now no longer so easy to reorder normal field accesses around them. Writing to a volatile field has the same memory effect as a monitor release, and reading from a volatile field has the same memory effect as a monitor acquir...
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EditorFor() and html properties

... The formatting worked but now null is returned for the data effectively disabling the box. – Joe Nov 9 '12 at 5:15 2 ...
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Appending a vector to a vector [duplicate]

...o use reserve if you are repeatedly inserting into a vector for which you know the final size, and that size is large. Otherwise, I'd let the STL grow your vector as needed. – moodboom Sep 10 '13 at 16:24 ...
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How to clone all remote branches in Git?

...track the remote branch, which usually means the origin/branch_name branch Now, if you look at your local branches, this is what you'll see: $ git branch * experimental master You can actually track more than one remote repository using git remote. $ git remote add win32 git://example.com/users/j...