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Why is using 'eval' a bad practice?
... that 2 and 4 are the first two. It's only insecure if you are surrounded by evil sociopaths who are looking for ways to subvert your application.
– S.Lott
Dec 2 '09 at 15:41
53
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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();
}
...
MongoDB logging all queries
...
I ended up solving this by starting mongod like this (hammered and ugly, yeah... but works for development environment):
mongod --profile=1 --slowms=1 &
This enables profiling and sets the threshold for "slow queries" as 1ms, causing all quer...
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 to override the copy/deepcopy operations for a Python object?
...nt. In fact, I don't even know why copy tries to use the pickling protocol by default. Copying is for in-memory manipulation, pickling is for cross-epoch persistence; they are completely different things that bear little relation to each other.
– Nimrod
Aug 10 ...
How to do stateless (session-less) & cookie-less authentication?
... For example, you might leak the token via the HTTP referer header or even by someone who just inspect your traffic or watch your computer.
Another thing, even if you could use cookies, I would recommend you to add random token or random verifer, to protect yourself from Cross Site Request Forgery ...
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 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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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...