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Difference between PCDATA and CDATA in DTD
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PCDATA - Parsed Character Data
XML parsers normally parse all the text in an XML document.
CDATA - (Unparsed) Character Data
The term CDATA is used about text data that should not be parsed by the XML parser.
Characters like "<" and "&" are illegal in XML elemen...
nginx error connect to php5-fpm.sock failed (13: Permission denied)
...or /etc/php/7.0/fpm/pool.d/www.conf, depending on your version.
Uncomment all permission lines, like:
listen.owner = www-data
listen.group = www-data
listen.mode = 0660
Restart fpm - sudo service php5-fpm restart or sudo service php7.0-fpm restart
Note: if your webserver runs as user other than...
Clearing a string buffer/builder after loop
...only benefit of creating the SB outside is not losing the internal (potentially long) char[] of it. If in the first iterator it grew up enough, the second loop will not need to resize any char[]. But for getting the advantage the "clear method" will have to preserve the size of the internal array. s...
How can I display just a portion of an image in HTML/CSS?
...ich has replaced the now-deprecated clip property.
The clip-path property allows a range of options (more-so than the original clip), of:
inset — rectangular/cuboid shapes, defined with four values as 'distance-from' (top right bottom left).
circle — circle(diameter at x-coordinate y-coordina...
Is it possible to set a custom font for entire of application?
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I find it really annoying to have to swap out the default TextView everywhere to use custom fonts or use a reflection based solution like this. Combined with the limiting set of fonts available in android, it makes developing good lookin...
Wrapping synchronous code into asynchronous call
... in ASP.NET application, that consumes quite a lot of time to complete. A call to this method might occur up to 3 times during one user request, depending on the cache state and parameters that user provides. Each call takes about 1-2 seconds to complete. The method itself is synchronous call to the...
Why is “except: pass” a bad programming practice?
...y to avoid passing in except blocks. Unless explicitly desired, this is usually not a good sign.
But let’s go into detail:
Don’t catch any error
When using a try block, you usually do this because you know that there is a chance of an exception being thrown. As such, you also already have an...
How to determine the first and last iteration in a foreach loop?
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@Twan How is point #3 right? Or relevant at all to this question since it involves HTML? This is a PHP question, clearly... and when it comes to mark-up semantics, it's down to a much deeper facts than "a proper blahblah is always better than blahblah (this is not even...
JPA or JDBC, how are they different?
...sh for the same. I saw some examples and also read the Oracle docs to know all about Java EE 5. Connecting to a database was very simple. I opened a dynamic web project, created a session EJB , I used EntityManager and with the get methods could access the stored data table.
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HTTP Error 503, the service is unavailable
I'm really new to setting up web servers in general. I've got IIS 8 on Windows 8, and I'm trying to set up a little site locally, while doing some development. In IIS I choose Add Site, give a name, points to a location where I have a index.html file (I've tried different locations, latest in a c:\...