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Obtaining a powerset of a set in Java
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Isn't complexity (n*2^n)? Because binary string is of length n, and in each iteration of the main loop we iterate the entire binary string.
– Maggie
Sep 17 '13 at 5:53
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Convert a string to an enum in C#
What's the best way to convert a string to an enumeration value in C#?
25 Answers
25
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ADB not recognising Nexus 4 under Windows 7
...d 'Update Driver'
Selected 'Have Disk' and pointed it to [android-sdk-dir]\extras\google
Watched an 'ADB' driver install.
Opened Eclipse to successfully run on my Nexus 4.
Good luck!
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impro...
Get value of c# dynamic property via string
I'd like to access the value of a dynamic c# property with a string:
11 Answers
11
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ActiveRecord: List columns in table from console
...ou can just type the model name:
> User
gives:
User(id: integer, name: string, email: string, etc...)
In rails four, you need to establish a connection first:
irb(main):001:0> User
=> User (call 'User.connection' to establish a connection)
irb(main):002:0> User.connection; nil #call ...
JSON: why are forward slashes escaped?
...n embedding JSON in a <script> tag, which doesn't allow </ inside strings, like Seb points out.
Some of Microsoft's ASP.NET Ajax/JSON API's use this loophole to add extra information, e.g., a datetime will be sent as "\/Date(milliseconds)\/". (Yuck)
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What happened to console.log in IE8?
...ments);
// console.raw captures the raw args, without converting toString
console.raw.push(args);
var message = args.join(' ');
console.messages.push(message);
fallback(message);
};
// redefine console
if (typeof console === 'undefined') {
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Textarea onchange detection
...change event on textarea using javascript?
I'm trying to detect how many characters left is available as you type.
10 Ans...
What does the “Just” syntax mean in Haskell?
...r integer functions that are meant to return Natural numbers (for example, String.indexOf - when a substring is not found, the returned index is commonly designed to be negative)
return a special value (pointer): NULL or some such
silently return without doing anything: for example, lend could be wr...
Only get hash value using md5sum (without filename)
...e source as stdin). – You must tell bash to capture those words into a string, using Command Substitution: $( command ). – The ( brackets ) produce a bash array with 2 elements. However, you must assign that array construct ( … ) to an variable name; hence, using md5 as the array name: md5=...