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Does “\d” in regex mean a digit?
...atches are highlighted, to distinguish it from the case when the whole 123 string is matched.
Most regex consoles highlight contiguous matches with different colors, but due to the plugin settings, terminal limitations or for some other reason, only every other group might be highlighted in your ca...
Passing arguments to an interactive program non-interactively
...readable)
your_program << ANSWERS
yes
no
maybe
ANSWERS
use a here string
your_program <<< $'yes\nno\nmaybe\n'
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Rename Files and Directories (Add Prefix)
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rename '' <prefix> *
This finds the first occurrence of the empty string (which is found immediately) and then replaces that occurrence with your prefix, then glues on the rest of the file name to the end of that. Done.
For suffixes, you need to use the perl version or use find.
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Print all day-dates between two dates [duplicate]
... you can't join dates, so if you want to use join, you need to
# cast to a string in the list comprehension:
ddd = [str(d1 + timedelta(days=x)) for x in range((d2-d1).days + 1)]
# now you can join
print "\n".join(ddd)
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Java inner class and static nested class
...any other object to the static field, a, as in: class B { static void main(string s) {A.a = new A()}} (A & B in same package) This doesn't make A a static class. The phrase "static context," in the reference cited in the thread you linked to, is incredibly vague. In fact, this was noted in many ...
Get operating system info
...
I researched this for a bit, and found a few links explaining the Trident string.
http://www.sitepoint.com/ie11-smells-like-firefox/
http://www.upsdell.ca/BrowserNews/res_sniff.htm
How can I target only Internet Explorer 11 with JavaScript?
http://en.wikipedia.org/wiki/Trident_%28layout_engine%29...
Find the number of columns in a table
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Using JDBC in Java:
String quer="SELECT * FROM sample2 where 1=2";
Statement st=con.createStatement();
ResultSet rs=st.executeQuery(quer);
ResultSetMetaData rsmd = rs.getMetaData();
int NumOfCol=0;
NumOfCol=rsmd.getColum...
How to explain callbacks in plain english? How are they different from calling one function from ano
...a function, but does not know how to print output. All it can do is make a string. When it tries to figure out what to do with the string, it sees a blank line. But, the programmer gave you the blank to write your callback in!
In this example, you do not use a pencil to fill in a blank on a sheet ...
How is the 'use strict' statement interpreted in Node.js? [duplicate]
...n and Generator constructors is strict mode code if the last argument is a String that when processed is a FunctionBody that begins with a Directive Prologue that contains a Use Strict Directive.
Additionally if you are lost on what features are supported by your current version of Node.js, thi...
Get selected option from select element
...y there. So you need to fetch the text you want, then put it in the .text(string) method on the object you want to set, like I have above.
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