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Difference of keywords 'typename' and 'class' in templates?
...ctual classes, you're better off adding a specialization to throw/cause an error for non-class types. If you want to limit use to particular classes, only specialize for them. In any case, such a stylistic distinction is too subtle to get the message across.
– Potatoswatter
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Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
... For example, host objects in IE implemented as ActiveX objects will throw errors if treated as native objects (hence why try..catch is used to initialise MS XMLHttpRequest objects). Some DOM objects (like NodeLists in IE in quirks mode) if passed to Array methods will throw errors, DOM objects in I...
关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...(__CLASS__, 'ev_read'), array(__CLASS__, 'ev_write'), array(__CLASS__, 'ev_error'), $id);
event_buffer_base_set($buffer, $base);
event_buffer_timeout_set($buffer, 30, 30);
event_buffer_watermark_set($buffer, EV_READ, 0, 0xffffff);
event_buffer_priority_set($buffer, 10);
event_buffer_enable...
Multiple variables in a 'with' statement?
...tatement now supports this
functionality directly (without the confusing error prone quirks).
See Rafał Dowgird's answer for more information.
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No empty constructor when create a service
I am struggling with this error:
4 Answers
4
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How to Set AllowOverride all
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Strange...when I do this I get the internal server error. Does this indicate an error in the .htaccess file located at /var/www/.htaccess? Turning the apache2,conf back to AllowOverride None fixes the error but doesn't allow URL rewrites.
– o_O
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Abstract class in Java
... following:
public class ImplementingClass extends AbstractClass
{
// ERROR!
}
There's no method that implements abstractMethod()! So there's no way for the JVM to know what it's supposed to do when it gets something like new ImplementingClass().abstractMethod().
Here's a correct Implementi...
How to turn on line numbers in IDLE?
In the main shell of IDLE, errors always return a line number but the development environment doesn't even have line numbers. Is there anyway to turn on line numbers?
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
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Parsing ifconfig output is error-prone, for instance the above one-liner results in -bash: export: overruns:0': not a valid identifier` for me on RHEL6. Parsing /sys/class/net/$dev/statistics (see the perl script in @ephemient answer) directly works mu...
Where should I put tags in HTML markup?
...something);</script>
<!--
* might throw "jQuery is not defined" error
* defer will not work either
-->
Or this:
<script src="document.write(something).js" async></script>
<!--
* might issue "cannot write into document from an asynchronous script" warning
* defer...