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Joins are for lazy people?
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Joining in the app server can be more efficient if joining on the database causes severe redundancy in the result set sent over the network. Consider tables A and B, where each row in A is associated with 20 rows in B, B has only 100 rows, and we want to fetch the first 10...
How to combine multiple conditions to subset a data-frame using “OR”?
I have a data.frame in R. I want to try two different conditions on two different columns, but I want these conditions to be inclusive. Therefore, I would like to use "OR" to combine the conditions. I have used the following syntax before with lot of success when I wanted to use the "AND" conditio...
Removing index column in pandas when reading a csv
...column(s), it is not a column, which is why del df['index'] did not work.
If you want to replace the index with simple sequential numbers, use df.reset_index().
To get a sense for why the index is there and how it is used, see e.g. 10 minutes to Pandas.
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How to enumerate an enum
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This doesn't work if you have duplicate values in the enumerator list.
– Jessy
Jun 17 '12 at 3:50
10
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How do I convert a byte array to Base64 in Java?
...().decode(encoded);
println(new String(decoded)) // Outputs "Hello"
Or if you just want the strings:
String encoded = Base64.getEncoder().encodeToString("Hello".getBytes());
println(encoded); // Outputs "SGVsbG8="
String decoded = new String(Base64.getDecoder().decode(encoded.getBytes()));
pr...
Find files and tar them (with spaces)
... problem here. I'm working on a simple back up code. It works fine except if the files have spaces in them. This is how I'm finding files and adding them to a tar archive:
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C# - Selectively suppress custom Obsolete warnings
...ete attribute (as just suggested by fellow programmers) to show a warning if a certain method is used.
4 Answers
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How to link to part of the same document in Markdown?
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In pandoc, if you use the option --toc in producing html, a table of contents will be produced with links to the sections, and back to the table of contents from the section headings. It is similar with the other formats pandoc writes,...
How to jQuery clone() and change id?
...e .insertAfter to insert it after the selected div. Also see updated code if you want it appended to the end instead of beginning when cloned multiple times. DEMO
Code:
var cloneCount = 1;;
$("button").click(function(){
$('#id')
.clone()
.attr('id', 'id'+ cloneCoun...
Get the value in an input text box
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@ParbhuBissessar Not necessarily. If he wants the literal text 'bla', the he's got it right. If he wants the val of the var bla then he needs to remove the quotes.
– double_j
Nov 15 '16 at 21:49
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