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The way to check a HDFS directory's size?
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How to read and write excel file
...SSFWorkbook wb = new HSSFWorkbook(fs);
HSSFSheet sheet = wb.getSheetAt(0);
HSSFRow row;
HSSFCell cell;
int rows; // No of rows
rows = sheet.getPhysicalNumberOfRows();
int cols = 0; // No of columns
int tmp = 0;
// This trick ensures that we get the data properly ev...
Backbone.js: `extend` undefined?
...rc="underscore-1.4.4-min.js"></script>
<script src="backbone-1.0.0-min.js"></script>
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Trying to understand CMTime and CMTimeMake
1) CMTimeMake(1,10) means duration of 1 second and timescale of 10, or 10 frames per second. This means 1s duration of video with 10 frames?
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How to find controls in a repeater header or footer
...peater.
To find a control in the header:
lblControl = repeater1.Controls[0].Controls[0].FindControl("lblControl");
To find a control in the footer:
lblControl = repeater1.Controls[repeater1.Controls.Count - 1].Controls[0].FindControl("lblControl");
With extension methods
public static clas...
How to see if an NSString starts with a certain other string?
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answered Oct 28 '11 at 20:43
CyrilleCyrille
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How do I add a Maven dependency in Eclipse?
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205
On the top menu bar, open Window -> Show View -> Other
In the Show View window, open Mav...
(Deep) copying an array using jQuery [duplicate]
...te that although I've used shift().shift() above, the point is just that b[0][0] contains a pointer to a[0][0] rather than a value.
Likewise delete(b[0][0]) also causes a[0][0] to be deleted and b[0][0]=99 also changes the value of a[0][0] to 99.
jQuery's extend method does perform a deep copy ...
Pythonic way of checking if a condition holds for any element of a list
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any():
if any(t < 0 for t in x):
# do something
Also, if you're going to use "True in ...", make it a generator expression so it doesn't take O(n) memory:
if True in (t < 0 for t in x):
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Why not use Double or Float to represent currency?
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1028
Because floats and doubles cannot accurately represent the base 10 multiples that we use for m...