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what happens when you type in a URL in browser [closed]
Can somebody tell me what all happens behind the scenes from the time I type in a URL in the browser to the time when I get to see the page on the browser? A detailed account of the process would be of great help.
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Recommended way to insert elements into map [duplicate]
...cent question - why use at() instead of the [] operator to retrieve values from a vector. Apparently at() throws an exception if the index is out of bounds whereas [] operator doesn't. In these situations it's always best to look up the documentation of the functions as they will give you all the de...
When should we use Observer and Observable?
...ause it separates the part where you say that the Observable has changed, from the part where you notify the changes. (E.g. Its useful if you have multiple changes happening and you only want to notify at the end of the process rather than at each small step). This is done through setChanged(). So ...
Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
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img {max-width:100%;} is one way of doing this. Just add it to your CSS code.
http://jsfiddle.net/89dtxt6s/
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What data type to use for hashed password field and what length?
...ion is not strong enough for storing passwords. You should read the answer from Gilles on this thread for a more detailed explanation.
For passwords, use a key-strengthening hash algorithm like Bcrypt or Argon2i. For example, in PHP, use the password_hash() function, which uses Bcrypt by default.
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Class with single method — best approach?
...andards, standards, standards!
Using instance methods does not inhibit you from also using static methods, and vice versa. As long as there's reasoning behind the differentiation and it's standardised. There's nothing worse than looking over a business layer sprawling with different implementation m...
Java OCR implementation [closed]
...ence.
I used it successfully in a personal project to identify the letter from an image such as this, you can find all the source for the OCR component of my application on github, here.
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Onclick javascript to make browser go back to previous page?
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Does this show the previous page from cache or reloads the previous page from the server?
– Adrien
Apr 28 '16 at 7:57
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When and how should I use a ThreadLocal variable?
...eople can abuse it by using it as global variables.
I have copied the text from the mentioned book but code 3.10 is missing as it is not much important to understand where ThreadLocal should be use.
Thread-local variables are often used to prevent sharing in designs based on mutable Singletons or g...
Access props inside quotes in React JSX
In JSX, how do you reference a value from props from inside a quoted attribute value?
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