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How do I check if a Sql server string is null or empty
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@irfandar - Well, if you want to treat a string with all spaces as empty, go ahead use trim. Otherwise a string with all spaces is not empty.
– Martin Ba
Sep 2 '13 at 12:13
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Check if inputs are empty using jQuery
I have a form that I would like all fields to be filled in. If a field is clicked into and then not filled out, I would like to display a red background.
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Using AES encryption in C#
...aged.aspx
And just in case you need the sample in a hurry, here it is in all its plagiarized glory:
using System;
using System.IO;
using System.Security.Cryptography;
namespace RijndaelManaged_Example
{
class RijndaelExample
{
public static void Main()
{
try
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127 Return code from $?
...ommand, because it doesn't know where to find the binary you're trying to call.
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Extending an Object in Javascript
... I have one question: how is the Person() constructor being called when you do new Robot()? It seems to me that you should call that base class constructor instead of doing this.name = name; in the Robot() constructor...
– Alexis Wilke
Apr 7 '14 a...
Setting a property by reflection with a string value
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You can use Convert.ChangeType() - It allows you to use runtime information on any IConvertible type to change representation formats. Not all conversions are possible, though, and you may need to write special case logic if you want to support conversions from t...
How to convert a string to utf-8 in Python
..."utf-8")
^ Converting to unicode and specifying the encoding.
In Python 3
All strings are unicode. The unicode function does not exist anymore. See answer from @Noumenon
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Is it good style to explicitly return in Ruby?
...d
Was this meant to be a function that returned a value, or not? It's really hard to say what the developer meant, as it both assigns the instance variable, AND returns the value assigned as well.
Suppose much later, another programmer (perhaps not that familiar with how Ruby does returns based ...
BestPractice - Transform first character of a string into lower case
... However, + is much faster than string.Format. Use the latter when you actually need to format something (like displaying integers, doubles or dates).
– Dirk Vollmar
Aug 25 '10 at 11:09
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Pretty Printing a pandas dataframe
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I've just found a great tool for that need, it is called tabulate.
It prints tabular data and works with DataFrame.
from tabulate import tabulate
import pandas as pd
df = pd.DataFrame({'col_two' : [0.0001, 1e-005 , 1e-006, 1e-007],
'column_3' : ['ABCD', ...