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How to check if hex color is “too black”?
...nsidered light by tinycolor. (shamelessly copied from the comments by @pau.moreno and @Alnitak)
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Why is processing a sorted array faster than processing an unsorted array?
...me...
In other words, you try to identify a pattern and follow it. This is more or less how branch predictors work.
Most applications have well-behaved branches. So modern branch predictors will typically achieve >90% hit rates. But when faced with unpredictable branches with no recognizable patt...
Margin-Top push outer div down
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put overflow:auto in the parent div
see more in this link
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How to pass in password to pg_dump?
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git: How to diff changed files versus previous versions after a pull?
...fy commits - see the specifying revisions section of man git-rev-parse for more details. In this case, you probably want:
git diff HEAD@{1}
The @{1} means "the previous position of the ref I've specified", so that evaluates to what you had checked out previously - just before the pull. You can ta...
What is the relationship between Looper, Handler and MessageQueue in Android?
...'t be broken nor changed. Also note that a thread can't be associated with more than one Looper. In order to guarantee this association, Looper is stored in thread-local storage, and it can't be created via its constructor directly. The only way to create it is to call prepare static method on Loope...
How does JavaScript handle AJAX responses in the background?
...f so, it pops the next event off the queue and executes it (calling one or more callback functions that are registered for that event). If nothing is in the event queue, then the JS interpreter has free time (garbage collection or idle) until some external agent puts something else in the event que...
How to delete the contents of a folder?
... e: that reads W0703: Catching too general exception Exception. Is there a more specific Exception to catch or should I ignore it?
– John Hany
Oct 23 '17 at 5:04
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I just discovered why all ASP.Net websites are slow, and I am trying to work out what to do about it
...just guessing at the motivations of the designers here, but I imagine it's more common to have multiple values depend on each other in a single user's session than in a cache that can be purged for lack of use or low-memory reasons at any time. If one page sets 4 related session variables, and anoth...
How are ssl certificates verified?
... will be used to encrypt the HTTP traffic on this connection; this is much more efficient than using public/private key encryption for everything. Your browser encrypts the symmetric key with the public key of the web server then sends it back, thus ensuring that only the web server can decrypt it,...