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Create array of symbols
...what bizarro syntax Ruby has thrown at us this time. I highly recommend avoiding obscure language features when perfectly readable alternatives exist, i.e. [:address, :city, :state].
– Alex
Aug 9 '16 at 5:48
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C# HttpWebRequest vs WebRequest
... answered May 22 '09 at 3:38
David WengierDavid Wengier
9,49555 gold badges3535 silver badges4343 bronze badges
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When should iteritems() be used instead of items()?
...teritems was removed because dict.items now does the thing dict.iteritems did in python 2.x and even improved it a bit by making it an itemview.
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How to validate an Email in PHP?
How can I validate the input value is a valid email address using php5. Now I am using this code
7 Answers
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How do I cast a variable in Scala?
...phics2D] method, but with greater flexibility. For example, you could provide different branches for various types, effectively performing multiple conditional casts at the same time. Finally, you don't really need to throw an exception in the catch-all area, you could also return null (or prefera...
How to programmatically display version/build number of target in iOS app?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
How to check if an app is installed from a web-page on an iPhone?
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There are new ways of implementing this now in both Android and iOS. Take a look at Android App Links and iOS Universal Links
– maledr53
Dec 15 '17 at 18:38
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Using print statements only to debug
...e me write a lot of print statements to verify if it's all going right and identify the points of failure. But, generally, outputting so much information is not a good practice. How do I use the print statements only when I want to debug and let them be skipped when I don't want them to be printed? ...
Incompatible implicit declaration of built-in function ‘malloc’
...t's defined as int malloc() which is incompatible with the built-in type void *malloc(size_t).
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AWS Error Message: A conflicting conditional operation is currently in progress against this resourc
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I got the same error message, when I did following:
created a bucket - it went by default to US region (used AWSCLI)
realized, the bucket shall go to EU region and deleted it (used AWS console)
(few minutes later) tried to create the bucket, specifying the EU r...