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What is the difference between sites-enabled and sites-available directory?
...are the virtual sites that exist on your server but people can't access the<em>mem> because they are not enabled yet.
sites-available: this directory has configuration files for Apache2 Virtual Hosts. Virtual Hosts allow Apache2 to be configured for
<em>mem>ultiple sites that have separate configurations.
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Hibernate lazy-load application design
I tend to use Hibernate in co<em>mem>bination with Spring fra<em>mem>ework and it's declarative transaction de<em>mem>arcation capabilities (e.g., @Transactional ).
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How to create a new java.io.File in <em>mem>e<em>mem>ory?
How can I create new File (fro<em>mem> java.io ) in <em>mem>e<em>mem>ory, not on the hard disk?
3 Answers
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Storing I<em>mem>age Data for offline web application (client-side storage database)
... an offline web application using appcaching. I need to provide it about 10<em>Mem>B - 20<em>Mem>B of data that it will save (client-side) consisting <em>mem>ainly of PNG i<em>mem>age files. The operation is as follows:
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Does Ruby have a string.startswith(“abc”) built in <em>mem>ethod?
Does Ruby have a so<em>mem>e_string.starts_with("abc") <em>mem>ethod that's built in?
4 Answers
4
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Co<em>mem>paring arrays in JUnit assertions, concise built-in way?
...on two like-typed arrays in JUnit? By default (at least in JUnit 4) it see<em>mem>s to do an instance co<em>mem>pare on the array object itself.
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Progra<em>mem><em>mem>atically set height on LayoutPara<em>mem>s as density-independent pixels
Is there any way to set the height/width of a LayoutPara<em>mem>s as density-independent pixels (dp)? It looks like the height/width, when set progra<em>mem><em>mem>atically, are in pixels and not dp.
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“Insert if not exists” state<em>mem>ent in SQLite
I have an SQLite database. I a<em>mem> trying to insert values ( users_id , lessoninfo_id ) in table book<em>mem>arks , only if both do not exist before in a row.
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dplyr: “Error in n(): function should not be called directly”
I a<em>mem> atte<em>mem>pting to reproduce one of the exa<em>mem>ples in the dplyr package but a<em>mem> getting this error <em>mem>essage. I a<em>mem> expecting to see a new colu<em>mem>n n produced with the frequency of each co<em>mem>bination. What a<em>mem> I <em>mem>issing? I triple checked that the package is loaded.
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Copy all files with a certain extension fro<em>mem> all subdirectories
...ix, I want to copy all files with a certain extension (all excel files) fro<em>mem> all subdirectories to another directory. I have the following co<em>mem><em>mem>and:
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