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String.IsNullOrWhiteSpace in LINQ Expression
...pe))
);
return exp;
}
return base.VisitMethodCall(node);
}
}
public static class EfQueryableExtensions
{
public static IQueryable<T> WhereEx<T>(this IQueryable<T> queryable, Expression<Func<T, bool>> where)
{
...
How to Test a Concern in Rails
...dity of objects or invoke ActiveRecord callbacks unless you set up the database accordingly (because your dummy class won't have a database table backing it). Moreover, you'll want to not only test the concern but also test the concern's behavior inside your model specs.
So why not kill two birds w...
What is the maximum possible length of a .NET string?
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Based on my highly scientific and accurate experiment, it tops out on my machine well before 1,000,000,000 characters. (I'm still running the code below to get a better pinpoint).
UPDATE:
After a few hours, I've given up. Fi...
How can I get the sha1 hash of a string in node.js?
... of crypto modules for Node. It has modules for dealing with both sha1 and base64.
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Detecting 'stealth' web-crawlers
...l rules to block offenders. It included whitelists of IP addresses/ranges based on http://www.iplists.com/, which were then updated automatically as needed by checking claimed user-agent strings and, if the client claimed to be a legitimate spider but not on the whitelist, it performed DNS/reverse-...
How to generate and validate a software license key?
...cause they don't have the private key. A license key would look like this: BASE32(CONCAT(DATA, PRIVATE_KEY_ENCRYPTED(HASH(DATA))))
The biggest challenge here is that the classical public key algorithms have large signature sizes. RSA512 has an 1024-bit signature. You don't want your license keys to ...
Why are my basic Heroku apps taking two seconds to load?
...cations. Your app is allotted blocks of computing power. Heroku partitions based on resource demand. When you have a popular application that demands more power, you can pay for more 'dynos' (application containers) and then get a larger chunk of the pie in return.
In your case though, you are run...
is node.js' console.log asynchronous?
...example below demonstrate, console.log async and console.error is sync)
Based on Node.js Doc's
The console functions are synchronous when the destination is a terminal or a file (to avoid lost messages in case of premature exit) and asynchronous when it's a pipe (to avoid blocking for long ...
subtle differences between JavaScript and Lua [closed]
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I think you can add 1-based arrays to the list, it can be pretty annoying when you are not used to it.
– Yann
Aug 5 '14 at 13:03
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Return from lambda forEach() in java
...ly use exception driven development when you can avoid littering your code base with multiples try-catch and throwing these exceptions are for very special cases that you expect them and can be handled properly.)
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