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NerdTree - Reveal file in tree

... tree exists for the current tab, or the file is not under the current root, then initialize a new tree where the root is the directory of the current file. I don't think it's bound to anything by default, so you have to do a keybind yourself. nmap ,n :NERDTreeFind<CR> is what app...
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Inheritance vs. Aggregation [closed]

...e functionality of the original class, is to split the original class in a root class and a sub class. And let the new class inherit from the root class. But you should take care with this, not to create an illogical separation. Lets add an example. We have a class 'Dog' with methods: 'Eat', 'Walk'...
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Why do we use arrays instead of other data structures?

...ss it, because I don't know where it is in memory. All I know is where the root (P1) is, so instead I have to start at P1, and follow each pointer to the desired node. This is a O(N) look up time (The look up cost increases as each element is added). It is much more expensive to get to P1000 compa...
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Why is Magento so slow? [closed]

...o slow Parts of Magento use an EAV database system implemented on top of MySQL. This means querying for a single "thing" often means querying multiple rows There's a lot of things behind the scenes (application configuration, system config, layout config, etc.) that involve building up giant XML ...
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How to tell bash that the line continues on the next line

...st character before the end of line character. Consider this command: mysql -uroot \ -hlocalhost If there is a space after \, the line continuation will not work. The reason is that \ removes the special meaning for the next character which is a space not the invisible line feed cha...
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Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no

...uts or the connection pool size. You'll need to dive in and figure out the root cause. If you need help resolving that root cause you can post your own question. – Marnix van Valen Jul 28 '14 at 6:36 ...
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Expand/collapse section in UITableView in iOS

...s in the PlaysAndQuotations.plist (i've tested this with 30 entries in the root dictionary) - Now start the app and open the first play - after that you scroll down until you see an arrow which is pointing down (i think this comes from dequeueReusableHeaderFooterViewWithIdentifier) - click that arro...
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When increasing the size of VARCHAR column on a large table could there be any problems?

... That's because you're not using SQL Server per the question (but MySQL, probably). "ALTER TABLE ... MODIFY" is not valid T-SQL. – Jeroen Mostert Nov 27 '14 at 9:08 a...
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Multiple select statements in Single query

I am generating a report in php (mysql), 6 Answers 6 ...
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What is the best way to paginate results in SQL Server

...Microsoft added a new feature to SQL 2012 that makes pagination similar to MySQL. Follow this link to learn how. It's an interesting article: dbadiaries.com/… – Arash Dec 20 '13 at 13:49 ...