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Why use the yield keyword, when I could just use an ordinary IEnumerable?
...g yield makes the collection lazy.
Let's say you just need the first five items. Your way, I have to loop through the entire list to get the first five items. With yield, I only loop through the first five items.
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PHP: How to handle
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You're probably not accessing it correctly. You can output it directly or cast it as a string. (in this example, the casting is superfluous, as echo automatically does it anyway)
$content = simplexml_load_string(
'<content><![CDATA[Hello, wo...
What do these words mean in Git: Repository, fork, branch, clone, track?
...the semantics here. They're all about copies/variants of a code+history unit, but past that I'm not sure I could say. Is this logical structure explained somewhere?
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Could not locate Gemfile
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edited Jan 5 '15 at 19:16
potashin
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Rails: Using greater than/less than with a where statement
I'm trying to find all Users with an id greater than 200, but I'm having some trouble with the specific syntax.
9 Answers
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SSL Error When installing rubygems, Unable to pull data from 'https://rubygems.org/
... -e 'puts OpenSSL::X509::DEFAULT_CERT_FILE')
Generate certificate:
security find-certificate -a -p /Library/Keychains/System.keychain > "$cert_file"
security find-certificate -a -p /System/Library/Keychains/SystemRootCertificates.keychain >> "$cert_file"
The whole code: https://github....
How to open a web page from my application?
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I used this as well, but now it turns out this doesn't work with UAC. In my application I have this in the manifest <requestedExecutionLevel level="requireAdministrator" uiAccess="false" /> When I run the app under Windows 8 (where you cannot di...
Android: How to change the ActionBar “Home” Icon to be something other than the app icon?
...in icon consists of two parts in one image: a logo and a few letters below it. This works well for the launcher icon for the app, but when the icon appears on the left edge of the ActionBar, the letters get cut off and it doesn't look good.
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Setting href attribute at runtime
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edited Dec 5 '15 at 19:36
Stout Joe
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How to get the seconds since epoch from the time + date output of gmtime()?
...(time.gmtime())
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You can turn your string into a time tuple with time.strptime(), which returns a time tuple that you can pass to calendar.timegm():
>>> import calendar
>>> import time
>>> calendar.timegm(time.strptime('Jul 9, 2009 @ 20:02:58 UTC', '%b %d, %...