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Why is reading lines from stdin much slower in C++ than Python?
I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...
How to terminate a python subprocess launched with shell=True
I'm launching a subprocess with the following command:
12 Answers
12
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Bytecode features not available in the Java language
...to exploit this "feature" in Java versions before 6:
class Foo {
public String s;
public Foo() {
System.out.println(s);
}
}
class Bar extends Foo {
public Bar() {
this(s = "Hello World!");
}
private Bar(String helper) {
super();
}
}
This way, a field could be set before...
jQuery UI: Datepicker set year range dropdown to 100 years
... in the drop-down, to restrict which dates may be selected use the minDate and/or maxDate options.
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What is the Java ?: operator called and what does it do?
...od COULD appear. So, for example, the following statements: VALID: String x = (false) ? "X" : "Y"; NOT VALID: (false) ? "X" : "Y";
– kenj0418
Nov 7 '13 at 19:47
4
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ORA-01882: timezone region not found
...
You may also try to check the version of the Oracle jdbc driver and Oracle database. Just today I had this issue when using ojdbc6.jar (version 11.2.0.3.0) to connect to an Oracle 9.2.0.4.0 server. Replacing it with ojdbc6.jar version 11.1.0.7.0 solved the issue.
I also managed to make o...
How do I import .sql files into SQLite 3?
...15),id init) what's this error mean? I tried both methods >.read db.sql and sqlite3 DB.db < db.sql...Thanks
– webminal.org
Jan 12 '10 at 13:28
1
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What do commas and spaces in multiple classes mean in CSS?
Here is an example that I do not understand:
9 Answers
9
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How to elegantly rename all keys in a hash in Ruby? [duplicate]
...in as_json() call, and although the main attributes keys were converted to string, the options.merge(:methods => [:blah]) then that is a key in the map not a string.
– peterept
Mar 8 '13 at 1:04
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How to set RelativeLayout layout params in code not in xml?
...swered Mar 4 '11 at 8:01
Rohit MandiwalRohit Mandiwal
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