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Questions every good Java/Java EE Developer should be able to answer? [closed]
...tween Set, Map and List?
I'm still amazed how many people don't know this one in a telephone interview.
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answered Jan 22 '10 at 1:09
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What is “vectorization”?
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@StephenCanon how can one check whether or not some lines have been vectorized? If one would use objdump, what would one look for in the output of objdump?
– user1823664
Jun 9 '17 at 13:49
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What is the difference between Forking and Cloning on GitHub?
...e to know the differences between doing a Fork of a project and doing a clone of it.
9 Answers
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How to avoid “too many parameters” problem in API design?
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One style embraced in the frameworks is usually like grouping related parameters into related classes (but yet again problematic with mutability):
var request = new HttpWebRequest(a, b);
var service = new RestService(request...
Locking pattern for proper use of .NET MemoryCache
...chedString;
}
lock (cacheLock)
{
//Check to see if anyone wrote to the cache while we where waiting our turn to write the new value.
cachedString = MemoryCache.Default.Get(CacheKey, null) as string;
if (cachedString != null)
{
return cachedSt...
Map.clear() vs new Map : Which one will be better? [duplicate]
... you go with .clear(),so you are using same object instead of creating new one
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Can't push to GitHub because of large file which I already deleted
...~<HOWEVER MANY COMMITS YOU WERE BEHIND>
So, for the example above, one would type:
git reset HEAD~2
After you typed that, your "git status" should say:
On branch master
Your branch is up to date with 'origin/master'.
nothing to commit, working tree clean
From there, you can delete the...
PHP Multidimensional Array Searching (Find key by specific value)
... 2
Explanation
The function array_search() has two arguments. The first one is the value that you want to search. The second is where the function should search. The function array_column() gets the values of the elements which key is 'uid'.
Summary
So you could use it as:
array_search('brevi...
Delete all tags from a Git repository
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It may be more efficient to push delete all the tags in one command. Especially if you have several hundred.
In a suitable non-windows shell, delete all remote tags:
git tag | xargs -L 1 | xargs git push origin --delete
Then delete all local tags:
git tag | xargs -L 1 | xargs...
Internet Explorer's CSS rules limits
... by sheet limit
By way of confirmation, I've created a gist with 3 files. One HTML, and two CSS files.
The first file contains 4096 selectors and means that its final selector doesn't get read in.
The second file (4095.css) has one less selector, and gets read in, and works perfectly in IE (even...