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How do I check if a string is a number (float)?
...r.
I'm not sure that anything much could be faster than the above. It calls the function and returns. Try/Catch doesn't introduce much overhead because the most common exception is caught without an extensive search of stack frames.
The issue is that any numeric conversion function has two kin...
Batch file to delete files older than N days
I am looking for a way to delete all files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task.
...
CSV API for Java [closed]
Can anyone recommend a simple API that will allow me to use read a CSV input file, do some simple transformations, and then write it.
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How to use a custom comparison function in Python 3?
...e a workaround, but I think I am going to lose some performance by passing all the comparison operators < > = to middle man, since my original custom sort is written in C , it had around 1/2x speed of default sort.
– YOU
Mar 28 '10 at 5:26
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Getting an empty JQuery object
...tion about it, but I solved it by using PHP instead of jQuery so I can't really dig more into it right now.
– cregox
Mar 2 '11 at 19:02
2
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Equivalent to 'app.config' for a library (DLL)
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You can have separate configuration file, but you'll have to read it "manually", the ConfigurationManager.AppSettings["key"] will read only the config of the running assembly.
Assuming you're using Visual Studio as your IDE, you can right click the desired project → Add → New item → Applicat...
How to call a stored procedure from Java and JPA
I am writing a simple web application to call a stored procedure and retrieve some data.
Its a very simple application, which interacts with client's database. We pass employee id and company id and the stored procedure will return employee details.
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How to test code dependent on environment variables using JUnit?
... value);
}
}
For Java 5 to 7 the library System Rules has a JUnit rule called EnvironmentVariables.
import org.junit.contrib.java.lang.system.EnvironmentVariables;
public class EnvironmentVariablesTest {
@Rule
public final EnvironmentVariables environmentVariables
= new EnvironmentVariab...
Simple Log to File example for django 1.3+
...ogfile'],
'level': 'DEBUG',
},
}
}
Now what does all of this mean?
Formaters I like it to come out as the same style as ./manage.py runserver
Handlers - I want two logs - a debug text file, and an info console. This allows me to really dig in (if needed) and look at a te...
Windows batch: echo without new line
...
So you basically need an IF ERRORLEVEL==0 (...) ELSE (...) just to not harm your environment in those circumstances. Sheesh.
– SilverbackNet
Sep 22 '17 at 0:33
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