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What is the difference between ports 465 and 587?

...TP AUTH). It helps to stop outgoing spam when netmasters of DUL ranges can block outgoing connections to SMTP port (port 25). SSL encryption may be started by STARTTLS command at SMTP level if server supports it and your ISP does not filter server's EHLO reply (reported 2014). Port 25 is used by ...
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How can I scale an image in a CSS sprite

... cross-browser desktop & mobile [class^="icon-"]{ display: inline-block; background: url('../img/icons/icons.png') no-repeat; width: 64px; height: 51px; overflow: hidden; zoom:0.5; -moz-transform:scale(0.5); -moz-transform-origin: 0 0; } .icon-huge{ zoom:1; ...
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mongoose vs mongodb (nodejs modules/extensions), which better? and why?

... abstraction layer will be way smaller, then mongoose's. I'm coming from PHP world, there we had raw sql with depreciated mysql_ functions, then we got PDO - object orientated abstraction layer to communicate with sql. Or you can choose some heavy ORM like Doctrine to have similar stuff to mongoos...
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How to change the style of alert box?

...ion() { removeCustomAlert();return false; } alertObj.style.display = "block"; } function removeCustomAlert() { document.getElementsByTagName("body")[0].removeChild(document.getElementById("modalContainer")); } And CSS for alert() Box #modalContainer { background-color:rgba(0, 0, 0,...
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Is a memory leak created if a MemoryStream in .NET is not closed?

... The using block calls dispose for you. – Nick Oct 24 '08 at 15:52 20 ...
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I need to securely store a username and password in Python, what are my options?

...ets' PASSPHRASE_SIZE = 64 # 512-bit passphrase KEY_SIZE = 32 # 256-bit key BLOCK_SIZE = 16 # 16-bit blocks IV_SIZE = 16 # 128-bits to initialise SALT_SIZE = 8 # 64-bits of salt ### System Functions ### def getSaltForKey(key): return PBKDF2(key, saltSeed).read(SALT_SIZE) # Salt is generated a...
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Center image in table td in CSS

... Simple way to do it for html5 in css: td img{ display: block; margin-left: auto; margin-right: auto; } Worked for me perfectly. share | improve this answer | ...
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How to properly stop the Thread in Java?

...g as suggested above. The reason being that if you're in an interruptable blocking call (like Thread.sleep or using java.nio Channel operations), you'll actually be able to break out of those right away. If you use a flag, you have to wait for the blocking operation to finish and then you can chec...
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Using NSPredicate to filter an NSArray based on NSDictionary keys

...nts: [["key2": "value2", "key1": "value1"]] #2. Using NSPredicate init(block:) initializer As an alternative if you prefer strongly typed APIs over stringly typed APIs, you can use init(block:) initializer. Usage: import Foundation let array = [["key1": "value1", "key2": "value2"], ["key1": ...
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How can I recover the return value of a function passed to multiprocessing.Process?

...(p) p.start() for p in processes: ret = q.get() # will block rets.append(ret) for p in processes: p.join() return rets Queue is a blocking, thread-safe queue that you can use to store the return values from the child processes. So you have to pass the qu...