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How do you manage databases in development, test, and production?
I've had a hard time trying to find good examples of how to manage database schemas and data between development, test, and production servers.
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How to call a parent method from child class in javascript?
I've spent the last couple of hours trying to find a solution to my problem but it seems to be hopeless.
8 Answers
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Is there an easy way to request a URL in python and NOT follow redirects?
...eives a redirection status code. To return the inital response you need to set follow_redirects to False on the Http object:
import httplib2
h = httplib2.Http()
h.follow_redirects = False
(response, body) = h.request("http://example.com")
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convert streamed buffers to utf8-string
... It defaults to utf8 if you don't provide a parameter, but I've explicitly set the encoding in this example.
var req = http.request(reqOptions, function(res) {
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res.on('data', function(chunk) {
var textChunk = chunk.toString('utf8');
// process utf8 text chunk
});
})...
When should one use a spinlock instead of mutex?
I think both are doing the same job,how do you decide which one to use for synchronization?
6 Answers
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server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
...eck if at least the clone works without checking said certificate, you can set:
export GIT_SSL_NO_VERIFY=1
#or
git config --global http.sslverify false
But that would be for testing only, as illustrated in "SSL works with browser, wget, and curl, but fails with git", or in this blog post.
Check ...
Objective-C Static Class Level variables
...ue ID. In C#, Java etc I can define a static int currentID and each time i set the ID i can increase the currentID and the change occurs at the class level not object level. Can this be done in Objective-C? I've found it very hard to find an answer for this.
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Why are arrays of references illegal?
...y of references to do, with perfectly legal C++.
Except (a) it's a pain to set up for more than 3 or 4 elements, and (b) it's doing a calculation using a bunch of ?: which could be done using indexing (not with normal C-pointer-calculation-semantics indexing, but indexing nonetheless). I'd like to s...
How do I change permissions for a folder and all of its subfolders and files in one step in Linux?
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The other answers are correct, in that chmod -R 755 will set these permissions to all files and subfolders in the tree. But why on earth would you want to? It might make sense for the directories, but why set the execute bit on all the files?
I suspect what you really want to do ...
Call apply-like function on each row of dataframe with multiple arguments from each row
I have a dataframe with multiple columns. For each row in the dataframe, I want to call a function on the row, and the input of the function is using multiple columns from that row. For example, let's say I have this data and this testFunc which accepts two args:
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