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Advantages and disadvantages of GUID / UUID database keys
I've worked on a number of database systems in the past where moving entries between databases would have been made a lot easier if all the database keys had been GUID / UUID values. I've considered going down this path a few times, but there's always a bit of uncertainty, especially around perfor...
How can I send an email by Java application using GMail, Yahoo, or Hotmail?
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First download the JavaMail API and make sure the relevant jar files are in your classpath.
Here's a full working example using GMail.
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
public class Main {
private static String USER_NA...
`testl` eax against eax?
...It tests whether eax is 0, or above, or below. In this case, the jump is taken if eax is 0.
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Step-by-step debugging with IPython
...ou don't have the stepping immediately, you're in ipdb afterwards.
This makes debugging individual functions easy, as you can just load a file with %load and then run a function. You could force an error with an assert at the right position.
%pdb is a line magic. Call it as %pdb on, %pdb 1, %pdb o...
NHibernate vs LINQ to SQL
...ho hasn't used either technology on real-world projects I wonder if anyone knows how these two complement each other and how much their functionalities overlap?
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Is there a way to suppress JSHint warning for one given line?
I have a (single) case in my app were eval is used, and I would like to suppress JSHint warning only for this case.
3 Ans...
is of a type that is invalid for use as a key column in an index
...only use the first 900 bytes even then so the safest maximum size for your keys would be:
create table [misc_info]
(
[id] INTEGER PRIMARY KEY IDENTITY NOT NULL,
[key] nvarchar(450) UNIQUE NOT NULL,
[value] nvarchar(max) NOT NULL
)
i.e. the key can't be over 450 characters. If you ...
What exactly is Apache Camel?
...s. In it, Jonathan writes:
Apache Camel is an open source Java framework that focuses on making integration easier and more accessible to developers. It does this by providing:
concrete implementations of all the widely used Enterprise Integration Patterns (EIPs)
connectivity to a grea...
How to set text color to a text view programmatically [duplicate]
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Use,..
Color.parseColor("#bdbdbd");
like,
mTextView.setTextColor(Color.parseColor("#bdbdbd"));
Or if you have defined color code in resource's color.xml file than
(From API >= 23)
mTextView.setTextColor(ContextCompat.getColor(context, R.color.<name_of...
How to check if a particular service is running on Ubuntu
I do not know the service's name, but would like to stop the service by checking its status.
13 Answers
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