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How to delete items from a dictionary while iterating over it?
...imeError: dictionary changed size during iteration.
This happens because mydict.keys() returns an iterator not a list.
As pointed out in comments simply convert mydict.keys() to a list by list(mydict.keys()) and it should work.
A simple test in the console shows you cannot modify a dictionary w...
Xcode : failed to get the task for process
...
With XCode 6 I had to refresh my provisioning profiles with developer account so that I can see the iOS Team Provisioning profile in Build Settings. To refresh: XCode > Preferences > Accounts > Apple IDs > View Details > Refresh button at t...
What is the correct way to restore a deleted file from SVN?
...t;path to repository>
So an example:
svn merge -c -12345 https://svn.mysite.com/svn/repo/project/trunk
^ The negative is important
For TortoiseSVN (I think...)
Right click in Explorer, go to TortoiseSVN -> Merge...
Make sure "Merge a range of revisions" is selected, click N...
Compile time string hashing
...
At least by my reading of §7.1.5/3 and §5.19, the following might be legitimate:
unsigned constexpr const_hash(char const *input) {
return *input ?
static_cast<unsigned int>(*input) + 33 * const_hash(input + 1) :
...
How to avoid the “divide by zero” error in SQL?
...
This seemed to be the best fix for my situation when trying to address dividing by zero, which does happen in my data.
Suppose you want to calculate the male–female ratios for various school clubs, but you discover that the following query fails and issues ...
How to declare strings in C [duplicate]
...Pacerier please stop being intentionally pedantic. You know very well that my statement doesn't mean 'renders the program useless'. The surrounding code is irrelevant. If I write to memory that I shouldn't write to, that's bad behavior. That's a bug. Even if no one notices, that's still a bug. Even...
No resource found - Theme.AppCompat.Light.DarkActionBar
I used ActionBar Style Generator, and now trying to use into my app, but getting :
17 Answers
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Understanding FFT output
... are negative while the magnitude of the frequency itself is positive (see my answer to question 1). I suggest that you read up on complex numbers. Explaining how they work (and why they are useful) exceeds what is possible to explain in a single stackoverflow-question.
Note: You may also want to ...
Adding System.Web.Script reference in class library
I am currently moving code from my app_code folder to a class library. I have tagged several methods with [System.Web.Script.Serialization.ScriptIgnore] attributes. My class library cannot see this namespace. My add references dialog cannot see this namespace. How do I properly use this tag fr...
Git: cannot checkout branch - error: pathspec '…' did not match any file(s) known to git
...l "master" somehow, so although "git fetch" got me closer, I had to delete my local master first ("git branch -d master"), before switching to the remote master ("git checkout master"). In case that helps anyone else who is as silly as me!
– Jamie Brown
Oct 23...