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Measuring function execution time in R
... preferred way to know the time it takes for a long calculation done in parallel on multiple cores. In this case, the wall clock time measured through this call is accurate enough since the computer will be much busier with all cores calculating than doing anything else and the calculations take min...
jQuery get values of checked checkboxes into array
I am trying to get values of all checkboxes that are currently checked and store them into an array. Here is my code so far:
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Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
... than a list. See the documentation here. You therefore need to wrap your call to dict.values() in a call to list like so:
v = list(d.values())
{names[i]:v[i] for i in range(len(names))}
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Get table column names in MySQL?
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DESCRIBE is actually a shortcut for SHOW COLUMNS (dev.mysql.com/doc/refman/5.0/en/describe.html)
– svens
Oct 6 '09 at 16:45
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Refresh a page using PHP
How can I refresh a page using PHP periodically? If I can not do it by PHP, what is the best recommended scenario?
13 Answe...
Can I use Class.newInstance() with constructor arguments?
...t clarifying - getDeclaredConstructor is not a static method, you have to call it on the instance of the Class for your specific class.
– clum
May 22 '15 at 6:31
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How to programmatically set drawableLeft on Android button?
I'm dynamically creating buttons. I styled them using XML first, and I'm trying to take the XML below and make it programattic.
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Multiple contexts with the same path error running web service in Eclipse using Tomcat
...lt;Context> tag may be on the same line, but outside the viewport and really far away from the visible one.
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Convert blob to base64
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this worked for me:
var blobToBase64 = function(blob, callback) {
var reader = new FileReader();
reader.onload = function() {
var dataUrl = reader.result;
var base64 = dataUrl.split(',')[1];
callback(base64);
};
reader.readAsDataURL(blob);
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Bootstrap select dropdown list placeholder
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Also You can use disabled selected hidden or only hidden all are correct. :)
– MD Ashik
Dec 1 '16 at 6:04
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