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How can I alter a primary key constraint using SQL syntax?
I have a table that is missing a column in its primary key constraint. Instead of editing it through SQL Server, I want to put this in a script to add it as part of our update scripts.
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What is the best collation to use for MySQL with PHP? [closed]
...ering if there is a "best" choice for collation in MySQL for a general website where you aren't 100% sure of what will be entered? I understand that all the encodings should be the same, such as MySQL, Apache, the HTML and anything inside PHP.
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List of standard lengths for database fields
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If designing a form or database that will accept names from people
with a variety of backgrounds, you should ask yourself whether you
really need to have separate fields for given name and family name.
… Bear in mind that names in some cultures can be quite a lot longer
than your o...
Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
... default timeout that get uses?
The default timeout is None, which means it'll wait (hang) until the connection is closed.
What happens when you pass in a timeout value?
r = requests.get(
'http://www.justdial.com',
proxies={'http': '222.255.169.74:8080'},
timeout=5
)
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Scala: Abstract types vs generics
I was reading A Tour of Scala: Abstract Types . When is it better to use abstract types?
4 Answers
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ARC and bridged cast
With ARC, I can no longer cast CGColorRef to id . I learned that I need to do a bridged cast. According clang docs :
3 ...
How to declare strings in C [duplicate]
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This link should satisfy your curiosity.
Basically (forgetting your third example which is bad), the different between 1 and 2 is that 1 allocates space for a pointer to the array.
But in the code, you can manipulate them as pointers all the same -- only thin...
How to go back to previous page if back button is pressed in WebView?
I have an app in which I have a WebView where I display some websites. It works, clicking a link in the webpage goes to the next page in the website inside my app. But when I click the phone's back button, it takes me straight into my app. I want to go back to the previous page in the website ins...
Commit history on remote repository
I am trying to access a branch's commit history on a remote repository. I had a look at the doc but could not find any substantial information on how to access a remote repo's commit history using my local git client.
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How do you add a Dictionary of items into another Dictionary
...follow
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edited Jul 14 '17 at 18:23
Dima
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