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SQLite select where empty?
...e faster in some situation, as comparing numbers is simpler than comparing strings. If the performance for that is a concern, you should of course check what it does.
– Guffa
Apr 16 '12 at 11:16
...
Best way to do Version Control for MS Excel
...odeModules()
'This code Exports all VBA modules
Dim i As Integer, name As String
With ThisWorkbook.VBProject
For i = .VBComponents.count To 1 Step -1
If .VBComponents(i).Type <> vbext_ct_Document Then
If .VBComponents(i).CodeModule.CountOfLines > 0 Then
...
How can I correctly prefix a word with “a” and “an”?
...efix), otherwise you may need a special case for a completely-non matching string (such input should be very rare).
You probably can't get much better than this - and it'll certainly beat most rule-based systems.
Edit: I've implemented this in JS/C#. You can try it in your browser, or download t...
“unary operator expected” error in Bash if condition
...rely on
if [[ $aug1 == "and" ]];
to compare the value of $aug1 with the string and.
If you use [ ... ], you always need to remember to double quote variables like this:
if [ "$aug1" = "and" ];
If you don't quote the variable expansion and the variable is undefined or empty, it vanishes from t...
How do I get the type name of a generic type argument?
...g, functioning program:
using System;
class Program
{
public static string MyMethod<T>()
{
return typeof(T).FullName;
}
static void Main(string[] args)
{
Console.WriteLine(MyMethod<int>());
Console.ReadKey();
}
}
Running the above p...
How can I assign the output of a function to a variable using bash?
...local nl=$'\x0a'; # that's just \n
echo "output${nl}${nl}" # 2 in the string + 1 by echo
}
# append a character to the total output.
# and strip it with %% parameter expansion.
VAR=$(scan2; echo "x"); VAR="${VAR%%x}"
echo "${VAR}---"
prints (3 newlines kept):
output
---
Use an output p...
Has Facebook sharer.php changed to no longer accept detailed parameters?
...][0]=EXAMPLE
and see this differences:
The sharer URL not is same.
The strings are in different order. ( Do not know if this affects ).
I use this URL string:
http://www.facebook.com/sharer.php?s=100&p[url]=http://www.example.com/&p[images][0]=/images/image.jpg&p[title]=Title&...
How to download/checkout a project from Google Code in Windows?
.../trunk/ projectname-read-only
Note the space between the URL and the last string is intentional, the last string is the folder name into which the source will be downloaded.
share
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improve this an...
Get the value of an instance variable given its name
In general, how can I get a reference to an object whose name I have in a string?
2 Answers
...
How to check if a model has a certain column/attribute?
... a class
Use Class.column_names.include? attr_name where attr_name is the string name of your attribute.
In this case: Number.column_names.include? 'one'
For an instance
Use record.has_attribute?(:attr_name) or record.has_attribute?('attr_name') (Rails 3.2+) or record.attributes.has_key? attr_na...