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Origin null is not allowed by Access-Control-Allow-Origin
...upload it I no longer get Origin null, but I am still getting "not allowed by Access-Control-Allow-Origin."
– dudledok
Dec 11 '11 at 12:15
3
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Is C++ context-free or context-sensitive?
...achines.
In the example program, the prime computation could be performed by a linear-bounded Turing machine, so it does not quite prove Turing equivalence, but the important part is that the parser needs to perform the computation in order to perform syntactic analysis. It could have been any comp...
Token Authentication vs. Cookies
... made from the client will include this cookie and will thus be recognized by the server. This way the server can maintain a session with the stateless client, knowing mostly everything about the app's state, but stored in the server. In this scenario at no moment does the client hold state, which i...
How to randomly select rows in SQL?
...
SELECT TOP 5 Id, Name FROM customerNames
ORDER BY NEWID()
That said, everybody seems to come to this page for the more general answer to your question:
Selecting a random row in SQL
Select a random row with MySQL:
SELECT column FROM table
ORDER BY RAND()
LIMIT 1
Se...
Is PHP compiled or interpreted?
...ipedia? goo.gl/YOwZ Since PHP 4, the PHP parser compiles input to produce bytecode for processing by the Zend Engine, giving improved performance over its interpreter predecessor.
– kiranvj
Jul 28 '12 at 16:17
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Are HTTP cookies port specific?
...ll the ports on that host, even though the usual "same-origin policy" used by web browsers isolates content retrieved via different ports.
And also:
8.5. Weak Confidentiality
Cookies do not provide isolation by port. If a cookie is readable by a service running on one port, the cookie i...
Error when changing to master branch: my local changes would be overwritten by checkout
...ave nothing to do with branches, problem is uncommitted changes. Checkout, by definition, have to reset your files to the state of master, but by doing so it will lose it's current contents, and since this contents aren't committed it would be impossible to return to this state later, hence an error...
How do I prevent 'git diff' from using a pager?
... switch to pass to git diff and other commands that use the less pager by default?
17 Answers
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What does FETCH_HEAD in Git mean?
... Alexey: FETCH_HEAD corresponds to the tip of the remote branch specified by branch.<BRANCH>.merge in the local repository configuration. So while fetch does indeed fetch all object data from the remote storage, FETCH_HEAD is used to indicate to where the remote branch tracked by the local b...
What is Vim recording and how can it be disabled?
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You start recording by q<letter>
and you can end it by typing q again.
Recording is a really useful feature of Vim.
It records everything you type. You can then replay it simply by typing @<letter>.
Record search, movement, replace...