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Refresh image with a new one at the same url
... + new Date().getTime();
This will append the current timestamp automatically when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache.
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Are getters and setters poor design? Contradictory advice seen [duplicate]
...of view that most of the time, using setters still breaks encapsulation by allowing you to set values that are meaningless. As a very obvious example, if you have a score counter on the game that only ever goes up, instead of
// Game
private int score;
public void setScore(int score) { this.score =...
How do BitTorrent magnet links work?
...oading/downloading a particular torrent, they try to tell each other about all of the other peers they know of that are participating in the same torrent swarm. This lets peers know of each other quickly, without subjecting a tracker or DHT to constant requests. Once you've learned of a few peers f...
Optimal number of threads per core
... want to run some process in the minimum amount of time. The process is ideally parallelizable, so I can run chunks of it on an infinite number of threads and each thread takes the same amount of time.
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Display string as html in asp.net mvc view
...n I am displaying it on views, it is displayed as simple string containing all tags.
I tried to use Html helper to encode/decode to display it properly, but it is not working.
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rvm installation not working: “RVM is not a function”
I just installed RVM, but can't make it work. I have such line at the end of my .profile file:
21 Answers
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Select count(*) from multiple tables
How can I select count(*) from two different tables (call them tab1 and tab2 ) having as result:
18 Answers
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Why am I suddenly getting a “Blocked loading mixed active content” issue in Firefox?
... main page is served over HTTPS. When an HTTPS page has HTTP content, we call that content “mixed”. The webpage that the user is visiting is only partially encrypted, since some of the content is retrieved unencrypted over HTTP. The Mixed Content Blocker blocks certain HTTP requests on HTTPS p...
How do I discover memory usage of my application in Android?
How can I find the memory used on my Android application, programmatically?
9 Answers
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Please explain some of Paul Graham's points on Lisp
...at a comparison to C and Java, which I won't do -- but for some reason I really enjoy discussing this very topic once in a while, so -- here's my shot at an answer.
On points (3) and (4):
Points (3) and (4) on your list seem the most interesting and still relevant now.
To understand them, it is usef...