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Splitting String with delimiter
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How are you calling split? It works like this:
def values = '1182-2'.split('-')
assert values[0] == '1182'
assert values[1] == '2'
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XPath query to get nth instance of an element
...do not control) that has several input elements all with the same fixed id attribute of "search_query" . The contents of the file can change, but I know that I always want to get the second input element with the id attribute "search_query" .
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Why does JPA have a @Transient annotation?
... they have different meanings. The @Transient annotation tells the JPA provider to not persist any (non-transient) attribute. The other tells the serialization framework to not serialize an attribute. You might want to have a @Transient property and still serialize it.
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Ruby Hash to array of values
...x" }
hash.map(&:last) #=> ["bar", "qux"]
Why it works:
The & calls to_proc on the object, and passes it as a block to the method.
something {|i| i.foo }
something(&:foo)
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What does “fragment” mean in ANTLR?
...efinitive Antlr4 references book :
Rules prefixed with fragment can be called only from other lexer rules; they are not tokens in their own right.
actually they'll improve readability of your grammars.
look at this example :
STRING : '"' (ESC | ~["\\])* '"' ;
fragment ESC : '\\' (["\\/bfnrt]...
IntelliJ IDEA: Running a shell script as a Run/Debug Configuration
...sure about 11, but in 12 there's a part of Run/Debug Configuration that is called "Before Launch" and you can select your shell script in "Add External tool" option.
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How to execute an external program from within Node.js?
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var exec = require('child_process').exec;
exec('pwd', function callback(error, stdout, stderr){
// result
});
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How can I display just a portion of an image in HTML/CSS?
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Just to clarify, you’d set the width and height of the container td, div, span or whatever to 50px to make this work.
– Paul D. Waite
Apr 27 '09 at 8:38
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Import pandas dataframe column as string not int
...s will work in pandas >= 0.9.1:
In [2]: read_csv('sample.csv', dtype={'ID': object})
Out[2]:
ID
0 00013007854817840016671868
1 00013007854817840016749251
2 00013007854817840016754630
3 00013007854817840016781876
4 00013007854817840017028824
5 0001300785481784001...
How to get UTF-8 working in Java webapps?
... the following to the address bar of the browser:
https://localhost:8443/ID/Users?action=search&name=*ж*
the character ж is handled as UTF-8 and is encoded to (usually by the browser before even getting to the server) as %D0%B6.
POST request are not affected by this.
CharsetFilter
The...