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What does the question mark and the colon (?: ternary operator) mean in objective-c?
... (defo my favourite) but never knew what it's called. the big question has now been answered. Thanks
– Thang Do
Nov 10 '15 at 7:50
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Can anybody push to my project on github?
...I set up a repo on github, and I can push local stuff to this remote repo. Now here is the question: just after I push something to the remote repo, and I refresh the page, I can see the changes are uploaded(for example, if I wrote a readme.txt and push it to the remote repo, where such a readme.txt...
How to print a string in fixed width?
... of formatted string literals ("f-strings" for short) in Python 3.6, it is now possible to access previously defined variables with a briefer syntax:
>>> name = "Fred"
>>> f"He said his name is {name}."
'He said his name is Fred.'
This also applies to string formatting
>>...
Is it possible to modify variable in python that is in outer, but not global, scope?
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Until now, I already have two python tips that are simple, but very helpful: yours is the second one :) Thanks @kindall!
– swdev
Sep 22 '14 at 23:35
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Converting from a string to boolean in Python?
Does anyone know how to do convert from a string to a boolean in Python? I found this link . But it doesn't look like a proper way to do it. I.e. using built-in functionality, etc.
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How can I pass a parameter to a setTimeout() callback?
...st isn't right.
UPDATE:
As Hobblin said in his comments to the question, now you can pass arguments to the function inside setTimeout using Function.prototype.bind().
Example:
setTimeout(postinsql.bind(null, topicId), 4000);
...
Declare and initialize a Dictionary in Typescript
... true;
}
toLookup(): IDictionary {
return this;
}
}
Now we declare the Person specific type and Dictionary/Dictionary interface. In the PersonDictionary note how we override values() and toLookup() to return the correct types.
interface IPerson {
firstName: string;
la...
How to disable a link using only CSS?
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This now works in all modern browsers including IE 11. If you need support for IE 10 and below, you can use a JavaScript polyfill such as this one.
– Keavon
Jul 31 '14 at 5:13
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running Rails console in production
I have just gone live with my first Rails site, but now I have a problem. When I run the project in development mode on my IDE I can run the console to something like:
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Is there a simple way to remove multiple spaces in a string?
...nted that behavior, why not just "\s{2,}" instead of a workaround for not knowing moderately-advanced regex behavior?
– Chris Lutz
Oct 9 '09 at 22:06
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