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Java 8 method references: provide a Supplier capable of supplying a parameterized result
...hrow. Otherwise you will get an error message like MyException cannot be converted to java.lang.RuntimeException
Update:- This was an issue with an older version of JDK. I don't see this issue with the latest versions.
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Why doesn't String switch statement support a null case?
...alueOf() allows you to use a null String in a switch. If it finds null, it converts it to "null", otherwise it just returns the same String you passed it. If you don't handle "null" explicitly, then it will go to default. The only caveat is that there is no way of distinguishing between the String "...
Search for all files in project containing the text 'querystring' in Eclipse
...u at the top, click File..., input your search string, and make sure that 'Selected Resources' or 'Enclosing Projects' is selected, then hit search. The alternative way to open the window is with Ctrl-H. This may depend on your keyboard accelerator configuration.
More details: http://www.ehow.com/h...
How to execute XPath one-liners from shell?
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You should try these tools :
xmlstarlet : can edit, select, transform... Not installed by default, xpath1
xmllint : often installed by default with libxml2-utils, xpath1 (check my wrapper to have --xpath switch on very old releases and newlines delimited output (v < 2.9.9)
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Node.js Best Practice Exception Handling
...any different sources on this topic including code example and quotes from selected blog posts. The complete list of best practices can be found here
Best practices of Node.JS error handling
Number1: Use promises for async error handling
TL;DR: Handling async errors in callback style is proba...
ASP.NET Repeater bind List
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rptSample.DataSource = from c in lstSample select new { NAME = c };
in the repeater you put
<%# Eval("NAME") %>
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#1071 - Specified key was too long; max key length is 1000 bytes
... the best prefix length for a given column? Here's a method to find out:
SELECT
ROUND(SUM(LENGTH(`menu_link`)<10)*100/COUNT(`menu_link`),2) AS pct_length_10,
ROUND(SUM(LENGTH(`menu_link`)<20)*100/COUNT(`menu_link`),2) AS pct_length_20,
ROUND(SUM(LENGTH(`menu_link`)<50)*100/COUNT(`menu_...
HTML-encoding lost when attribute read from input field
...finements - they appear to be handling an obscure Unicode issue as well as converting all non-alphanumeric characters to entities. I was under the impression the latter was not necessary as long as you have an UTF8 charset specified for your document.
I will note that (4 years later) Django still d...
Padding is invalid and cannot be removed?
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My issue was that the string to be decrypted was being converted to lower case before I tried to decrypt it. I was obsessing with the padding and ciphers and all that stuff, but it turned out it was just bad input. Sometimes you just need to take a step back!
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How to get current time with jQuery
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Convert a Date object to an string, using one of Date.prototype's conversion getters, for example:
var d = new Date();
d+''; // "Sun Dec 08 2013 18:55:38 GMT+0100"
d.toDateString(); // "Sun Dec 08 2013"...