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What is the difference between Ruby 1.8 and Ruby 1.9
...01:0> {1,2}
=> {1=>2}
Action: Convert to {1 => 2}
Array.to_s Now Contains Punctuation
Ruby 1.9
irb(main):001:0> [1,2,3].to_s
=> "[1, 2, 3]"
Ruby 1.8.6
irb(main):001:0> [1,2,3].to_s
=> "123"
Action: Use .join instead
Colon No Longer Valid In When Statements
Rub...
Can I install Python 3.x and 2.x on the same Windows computer?
... quick search on Google, here is the Windows solution:
#!c:/Python/python3_6.exe -u
Same thing: in front of your script.
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Is there a better way to do optional function parameters in JavaScript? [duplicate]
... using jQuery. If you don't use jQuery, you could instead use Underscore's _.defaults(object, defaults) or browse these options:
function myFunc( args ) {
var defaults = {
optionalA: 'Some default',
optionalB: 'Another default',
optionalC: 'Some other default'
};
args = $.extend({...
How to unescape HTML character entities in Java?
... int j = i;
while (j < len && j < i + MAX_ESCAPE + 1 && input.charAt(j) != ';')
j++;
if (j == len || j < i + MIN_ESCAPE || j == i + MAX_ESCAPE + 1) {
i++;
continue;
}
// ...
How to set data attributes in HTML elements
...nd 'handle', and also reserves any data name starting with an underscore ('_') for internal use.
It should be noted that jQuery's data() doesn't change the data attribute in HTML.
So, if you need to change the data attribute in HTML, you should use .attr() instead.
HTML
<div id="outer">
...
How to change the style of the title attribute inside an anchor tag?
...or it: https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Techniques/Using_the_aria-label_attribute
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Find location of a removable SD card
...question is about external SD. How to get a path like "/mnt/sdcard/external_sd" (it may differ from device to device)?
Android has no concept of "external SD", aside from external storage, as described above.
If a device manufacturer has elected to have external storage be on-board flash and also h...
How many threads can a Java VM support?
...u can create, and I was totally dumbfounded by the result.
Using JDK 1.6.0_11 on Vista Home Premium SP1, I executed Charlie's test application with different heap sizes, between 2 MB and 1024 MB.
For example, to create a 2 MB heap, I'd invoke the JVM with the arguments -Xms2m -Xmx2m.
Here are my ...
Failed to serialize the response in Web API with Json
...oblem, this answer helped me to solve the issue.
– RK_Aus
Oct 13 '17 at 0:33
It works for me. No need to add using Sys...
Add table row in jQuery
...ows, there will be no tbody unless you have specified one yourself.
DaRKoN_ suggests appending to the tbody rather than adding content after the last tr. This gets around the issue of having no rows, but still isn't bulletproof as you could theoretically have multiple tbody elements and the row wou...