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How to detect if URL has changed after hash in JavaScript
...hange event on window.
In some old browsers, you need a timer that continually checks location.hash. If you're using jQuery, there is a plugin that does exactly that.
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MongoDB with redis
...oDB does not have yet an expiration mechanism. Capped collections cannot really be used to implement a real TTL. Redis has a TTL-based expiration mechanism, making it convenient to store volatile data. For instance, user sessions are commonly stored in Redis, while user data will be stored and index...
Limiting floats to two decimal points
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You are running into the old problem with floating point numbers that not all numbers can be represented exactly. The command line is just showing you the full floating point form from memory.
With floating point representation, your rounded version is the same number. Since computers are binary, ...
jquery UI Sortable with table and tr width
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The selected answer here is a really nice solution, but it has one severe bug which is apparent in the original JS fiddle (http://jsfiddle.net/bgrins/tzYbU/): try dragging the longest row (God Bless You, Mr. Rosewater), and the rest of the cell widths colla...
Get index of element as child relative to parent
... @steweb - Hey - because one event handler is much preferable to potentially many. Attaching events to the dom can be expensive if you have large lists so as a rule I try to use the above where possible rather than individual handlers on each element. One article that goes deeper is briancrescima...
How to check whether a string is a valid HTTP URL?
...You may want to add more conditions to the uriResult.Scheme == ... Specifically https. It depends on what you need this for, but this small change was all I needed for it to work perfectly for me.
– Fiarr
Jan 22 '14 at 19:04
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How to prevent going back to the previous activity?
...rs to go back to. For instance, in your sign in activity, right after you call startActivity, call finish(). When the users hit the back button, they will not be able to go to the sign in activity because it has been killed off the stack.
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The input is not a valid Base-64 string as it contains a non-base 64 character
...nes. But is this a concrete solution ? i mean how can i guarantee that for all the files this will be the character to be replaced ?
– Rohit Verma
Feb 27 '13 at 14:52
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Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile
... am using Maven 3.0.5 and Spring Tool Source 3.2 with Maven plugin installed. When I try to do 'Run As---> Maven install', I am getting the following error:
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Spring 3.0 - Unable to locate Spring NamespaceHandler for XML schema namespace [http://www.springfra
...y configuration xml can be a different one from applicationContext.xml, usually applicationContext-security.xml inside WEB-INF folder. The changes to be applied are for web.xml
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
/WEB-...