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Why can I throw null in Java? [duplicate]
...llPointerException and not a FileNotFoundException
– php_coder_3809625
Aug 24 '16 at 5:50
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Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
...levant tests already available:
http://www.theeggeadventure.com/wikimedia/index.php/Java_Data_Compression
"I ran a test to compress one million consecutive integers using
various forms of compression. The results are as follows:"
None 4000027
Deflate 2006803
Filtered 1391833
BZip2 4...
jQuery remove options from select
...n use the following jquery:
var select_object = purchasing_table.rows[row_index].cells[cell_index].childNodes[1];
$(select_object).find('option[value='+site_name+']').remove();
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How to delete a stash created with git stash create?
... and 3, would be to do them in the order 3, 2, 1, or 1, 1, 1. Also, it's 0 indexed, with 0 being at the top of the stack.
– ArtOfWarfare
Sep 17 '13 at 15:36
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jQuery map vs. each
...back arguments in the map function so be careful.
map(arr, function(elem, index) {});
// versus
each(arr, function(index, elem) {});
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Deleting Files using Git/GitHub
...h <filepattern> against files in the working tree in addition to the index. That means that it will find new files as well as staging modified content and removing files that are no longer in the working tree."
– j08691
Jul 18 '12 at 20:33
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Code coverage with Mocha
...ter=html
instead of text. Now it will produce a report inside ./coverage/index.html.
Report formats
Istanbul supports a wide range of report formats. Just look at its reports library to find the most useful for you.
Just add a --reporter=REPORTER_NAME option for each format you want.
For example...
Entity Framework and SQL Server View
...however in most cases it will foul SQL optimizer and it will not use right indexes.
It may be obvious for somebody, but I burned hours solving performance issues using Tillito solution. Lets say you have the table:
Create table OrderDetail
(
Id int primary key,
CustomerId int ...
Suppress Scientific Notation in Numpy When Creating Array From Nested List
... tiny med large
a = np.array([1.01e-5, 22, 1.2345678e7]) #notice how index 2 is 8
#digits wide
print(a) #prints [ 0.0000101 22. 12345678. ]
However if you pass in a number greater than 8 characters wide, exponential notation is imposed aga...
Entity Framework: table without primary key
...nsert records ASAP. Having PK can be an issue when checking uniqueness and indexing happens. Also If your PK is IDENTITY so returning the generated value to the EF is another issue. using GUID instead? generation time and indexing/sorting is another issue!...SO IN some critical OLTP senarios(like Lo...