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Safe String to BigDecimal conversion
... front or in the end will be interpreted as negative number
*
* @param value
* @return The BigDecimal expression of the given string
*/
public static BigDecimal toBigDecimal(final String value) {
if (value != null){
boolean negativeNumber = false;
...
What is the easiest way to duplicate an activerecord record?
...Controller < ActionController
def some_method
my_post = Post.find(params[:id])
new_post = my_post.dup
new_post.save
end
end
You can also control which fields get copied in numerous ways, but for example, if you wanted to prevent comments from being duplicated but you wanted to m...
C# HttpClient 4.5 multipart/form-data upload
...get an error: "Uploaded file(s) not found" try to add the key and fileName parameters to content (bilddatei and upload.jpg in this example).
– jhhwilliams
May 24 '19 at 8:13
...
How to get current time with jQuery
...
You don't need to provide parameters to new Date() as it defaults to now.
– Andrew Spode
Apr 30 '15 at 13:29
1
...
Rails Observer Alternatives for 4.0
...stsController < ApplicationController
def create
@post = Post.new(params[:post])
@post.subscribe(PusherListener.new)
@post.subscribe(ActivityListener.new)
@post.subscribe(StatisticsListener.new)
@post.on(:create_post_successful) { |post| redirect_to post }
@post.on(:cr...
Could not open a connection to your authentication agent
...the contents
ForwardAgent yes
In the original tutorial the ForwardAgent param is Yes, but it's a typo. Use all lowercase or you'll get errors.
Restart Msysgit. It will ask you to enter your passphrase once, and that's it (until you end the session, or your ssh-agent is killed.)
Mac/OS X
If you...
Allowed characters in Linux environment variable names
...f code), here are a few hints to find the relevant lines of code: subst.c: param_expand(), in the default case -> general.h: /* Define exactly what a legal shell identifier consists of. */ #define legal_variable_starter(c) (ISALPHA(c) || (c == '')) #define legal_variable_char(c) (ISALNUM(c) || c ...
Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
... String.Concat in Reflector, you'll see it:
// while looping through the parameters
strArray[i] = (str == null) ? Empty : str;
// then concatenate that string array
(MSDN mentions it, too: http://msdn.microsoft.com/en-us/library/k9c94ey1.aspx)
On the other hand, ToString() is an instance meth...
How to store int[] array in application Settings
... <Value Profile="(Default)" />
</Setting>
Change the "Type" param from System.String to System.Int32[]. Now this section will look like this:
<Setting Name="SomeTestSetting" Type="System.Int32[]" Scope="User">
<Value Profile="(Default)" />
</Setting>
Now save ch...
Change date format in a Java string
...DateFormat; import java.util.Date; public class formateDate { /** * @param args * @throws ParseException */ public static void main(String[] args) throws ParseException { // TODO Auto-generated method stub String date_s=" 2011-01-18 00:00:00.0"; SimpleDateFormat dt= new SimpleDate...