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When to use lambda, when to use Proc.new?
...fference between procs created with lambda and procs created with Proc.new is how they handle the return statement:
In a lambda-created proc, the return statement returns only from the proc itself
In a Proc.new-created proc, the return statement is a little more surprising: it returns control not ...
How are multi-dimensional arrays formatted in memory?
...le:
int array1[3][2] = {{0, 1}, {2, 3}, {4, 5}};
In memory looks like this:
0 1 2 3 4 5
exactly the same as:
int array2[6] = { 0, 1, 2, 3, 4, 5 };
But if you try to pass array1 to this function:
void function1(int **a);
you'll get a warning (and the app will fail to access the array corr...
Is “double hashing” a password less secure than just hashing it once?
Is hashing a password twice before storage any more or less secure than just hashing it once?
16 Answers
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Array versus List: When to use which?
What are the scenarios when one is preferable over the other? And why?
16 Answers
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JSLint says “missing radix parameter”
I ran JSLint on this JavaScript code and it said:
11 Answers
11
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Mimicking sets in JavaScript?
I'm working in JavaScript. I'd like to store a list of unique , unordered string values, with the following properties:
7 ...
When to delete branches in Git?
...nch), git will tell you and won't delete it.
So, deleting a merged branch is cheap and won't make you lose any history.
To delete a remote branch, use git push origin :mybranch, assuming your remote name is origin and the remote branch you want do delete is named mybranch.
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Spring vs EJB. Can Spring replace EJB? [closed]
Since Spring is able to use transactions just like EJB . For me, Spring is able to replace the requirement of using EJB. Can anyone tell me what are the extra advantages of using EJB?
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config.assets.compile=true in Rails production, why not?
...ly do not want to live compile in production.
When you have compile on, this is what happens:
Every request for a file in /assets is passed to Sprockets. On the first request for each and every asset it is compiled and cached in whatever Rails is using for cache (usually the filesystem).
On subse...
HTTPURLConnection Doesn't Follow Redirect from HTTP to HTTPS
... the same protocol. (See the followRedirect() method in the source.) There is no way to disable this check.
Even though we know it mirrors HTTP, from the HTTP protocol point of view, HTTPS is just some other, completely different, unknown protocol. It would be unsafe to follow the redirect without ...