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On localhost, how do I pick a free port number?
...d CATCH EXCEPTIONS. That is how you will know if a port is unusable (used by another process, in other words) on your computer.
However, in your case, you shouldn't have a problem using a single hard-coded port for your listener, as long as you print an error message if the bind fails.
Note als...
How can I have two fixed width columns with one flexible column in the center?
...ight {
flex-basis: 230px;
flex-shrink: 0;
}
OR, as recommended by the spec:
.left, .right {
flex: 0 0 230px; /* don't grow, don't shrink, stay fixed at 230px */
}
7.2. Components of
Flexibility
Authors are encouraged to control flexibility using the flex shorthand
r...
How do I prevent Eclipse from hanging on startup?
...resto, Eclipse started up again. I just noticed this duplicates the answer by joj.
– Carl Smotricz
Jun 9 '11 at 15:32
...
Counting null and non-null values in a single query
...g the distinction between count(*) and count(a) also works well with group by
– shannon
Mar 4 '15 at 7:36
1
...
Command-line svn for Windows?
...
Newer versions of TortoiseSVN contain a console svn client, but by default the corresponding option is not checked.
The svn.exe executable is not standalone and it depends on some other files in the distribution but this should not be a problem in most cases.
Once installed you might ne...
Is 161803398 A 'Special' Number? Inside of Math.Random()
... be found here Note, that this is not actually a research paper (as stated by Math), this is just a master degree thesis.
People in cryptography like to use irrational number (pi, e, sqrt(5)) because there is a conjecture that digits of such numbers appears with equal frequency and thus have high e...
How to remove folders with a certain name
... target directory is empty, use find, filter with only directories, filter by name, execute rmdir:
find . -type d -name a -exec rmdir {} \;
If you want to recursively delete its contents, replace -exec rmdir {} \; by -delete or -prune -exec rm -rf {} \;. Other answers include details about these ...
What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?
...node)
The browser thinks the HTML you are attempting to append is XML (fix by adding <!doctype html> to your injected HTML, or specifying the content type when fetching via XHR)
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impro...
The object cannot be deleted because it was not found in the ObjectStateManager
...
It means that entity is not attached (it was not loaded by the same context instance). Try this:
protected MyEntities sqlEntities;
public virtual void Delete(TEntity entity)
{
sqlEntities.Attach(entity);
sqlEntities.DeleteObject(entity);
sqlEntities.SaveChanges();
}
...
How to convert a string with comma-delimited items to a list in Python?
...
In case you want to split by spaces, you can just use .split():
a = 'mary had a little lamb'
z = a.split()
print z
Output:
['mary', 'had', 'a', 'little', 'lamb']
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