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Difference between sh and bash
...-argument for((i=0;i<=3;i++)) loop, += increment assignment, etc. The $'string\nwith\tC\aescapes' feature is tentatively accepted for POSIX (meaning it works in Bash now, but will not yet be supported by sh on systems which only adhere to the current POSIX specification, and likely will not for s...
Difference between “\n” and Environment.NewLine
...pends on the platform. On Windows it is actually "\r\n".
From MSDN:
A string containing "\r\n" for
non-Unix platforms, or a string
containing "\n" for Unix platforms.
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What does the “assert” keyword do? [duplicate]
...y simple to understand:
When you have a similar situation like this:
String strA = null;
String strB = null;
if (2 > 1){
strA = "Hello World";
}
strB = strA.toLowerCase();
You might receive warning (displaying yellow line on strB = strA.toLowerCase(); ) that strA...
How to select first parent DIV using jQuery?
...
parents("div") is traversing and returns all the parent div's you should use .eq(0) after it to make sure it returns just the one you want
– meo
Aug 17 '11 at 7:44
...
Check if string matches pattern
How do I check if a string matches this pattern?
6 Answers
6
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Does a const reference class member prolong the life of a temporary?
...Here's the simplest way to explain what happened:
In main() you created a string and passed it into the constructor. This string instance only existed within the constructor. Inside the constructor, you assigned member to point directly to this instance. When when scope left the constructor, the st...
What is the correct syntax for 'else if'?
...xecute functions but the idea scares me like computed gotos or pasting Tcl strings together and execing them. Is this good practice? Can you name an example?
– msw
Mar 7 '10 at 5:35
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How to execute raw SQL in Flask-SQLAlchemy app
...by positional index
print(r['my_column']) # Access by column name as a string
r_dict = dict(r.items()) # convert to dict keyed by column names
Personally, I prefer to convert the results into namedtuples:
from collections import namedtuple
Record = namedtuple('Record', result.keys())
rec...
how to check if object already exists in a list
...r data structure. For example,
public class MyClass
{
public string Property1 { get; set; }
public string Property2 { get; set; }
}
public class MyClassComparer : EqualityComparer<MyClass>
{
public override bool Equals(MyClass x, MyClass y)
{...
How can I change an element's class with JavaScript?
...xplanation of this regex is as follows:
(?:^|\s) # Match the start of the string, or any single whitespace character
MyClass # The literal text for the classname to remove
(?!\S) # Negative lookahead to verify the above is the whole classname
# Ensures there is no non-space character ...