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Can I change multiplier property for NSLayoutConstraint?
I created two views in one superview, and then added constraints between views:
13 Answers
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How do you sign a Certificate Signing Request with your Certification Authority?
...he ca module
openssl ca ...
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You are missing the prelude to those commands.
This is a two-step process. First you set up your CA, and then you sign an end entity certificate (a.k.a server or user). Both of the two commands elide the two steps into one. And both assume you have a an OpenSSL con...
What is the definition of “interface” in object oriented programming
Ok, a friend of mine go back and forth on what "interface" means in programming.
16 Answers
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Is key-value observation (KVO) available in Swift?
...mework can help you accomplish what you wanted, rather than using KVO
Yes and no. KVO works on NSObject subclasses much as it always has. It does not work for classes that don't subclass NSObject. Swift does not (currently at least) have its own native observation system.
(See comments for how to ...
Difference between style = “position:absolute” and style = “position:relative”
Can any one tell me the Difference between style = "position:absolute" and style = "position:relative" and how they differ in case I add it to div / span / input elements?
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GitHub clone from pull request?
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You can clone the branch you want by using the -b option and for pull request:
git clone https://github.com/user_name/repo_name.git -b feature/pull_request_name dir_name
In your case, the branch you want to clone is the source branch of the pull request (feature/mongoose-support...
Bomb dropping algorithm
... simple sub-problem.
There are 2 parts to the explanation, the algorithm, and the reason the algorithm
provides an optimal solution. The first won't make sense without the second, so I'll
start with the why.
If you think of bombing the rectangle (assume a big rectangle - no edge cases yet)
you...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
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Also, the use of sys.setdefaultencoding() has always been discouraged, and it has become a no-op in py3k. The encoding of py3k is hard-wired to "utf-8" and changing it raises an error.
I suggest some pointers for reading:
http://blog.ianbicking.org/illusive-setdefaultencoding.html
http://nedb...
how to log in to mysql and query the database from linux terminal
...om linux terminal?
It depends. Red Hat based distros have the service command:
service mysqld stop
Other distros require to call the init script directly:
/etc/init.d/mysqld stop
3. How I start the mysql server from linux terminal?
Same as #2, but with start.
4. How do I get mysql prompt in...
How to convert OutputStream to InputStream?
I am on the stage of development, where I have two modules and from one I got output as a OutputStream and second one, which accepts only InputStream . Do you know how to convert OutputStream to InputStream (not vice versa, I mean really this way) that I will be able to connect these two part...