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Java - escape string to prevent SQL injection
...lace in java and am finding it very difficult to work with the the "replaceAll" string function. Ultimately I need a function that will convert any existing \ to \\ , any " to \" , any ' to \' , and any \n to \\n so that when the string is evaluated by MySQL SQL injections will be block...
Access Enum value using EL with JSTL
I have an Enum called Status defined as such:
13 Answers
13
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How to install Java SDK on CentOS?
I have CentOS 5, but I don't know the steps to install Java SDK on Linux.
12 Answers
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How to create json by JavaScript for loop?
...x (like what you would have in an actual .json file), I know that syntactically this is different. So, would you refer to just the array of objects as JSON, as well?
– VoidKing
Oct 15 '13 at 21:27
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When to use: Java 8+ interface default method, vs. abstract method
Java 8 allows for default implementation of methods in interfaces called Default Methods .
15 Answers
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VS2012 return to a normal TFS checkin window?
...icrosoft Visual Studio 11.0\Common7\IDE\TF.exe (this is the default VS install location on Windows x64)
Arguments: checkin
Initial directory: $(SolutionDir)
Here is a screenshot:
You can invoke from TOOLS -> Checkin (or even assign a keyboard shortcut to Tools.ExternalCommand* as described here...
Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
I need some code samples (and I also really curious about them) of Scala and Java code which show that Scala code is more simple and concise then code written in Java (of course both samples should solve the same problem).
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PHP array_filter with arguments
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As an alternative to @Charles's solution using closures, you can actually find an example in the comments on the documentation page. The idea is that you create an object with the desired state ($num) and the callback method (taking $i as an argument):
class LowerThanFilter {
private ...
How to copy a row and insert in same table with a autoincrement field in MySQL?
....)
select c1, c2, ...
from your_table
where id = 1
where c1, c2, ... are all the columns except id. If you want to explicitly insert with an id of 2 then include that in your INSERT column list and your SELECT:
insert into your_table (id, c1, c2, ...)
select 2, c1, c2, ...
from your_table
where i...
open read and close a file in 1 line of code
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You don't really have to close it - Python will do it automatically either during garbage collection or at program exit. But as @delnan noted, it's better practice to explicitly close it for various reasons.
So, what you can do to keep ...