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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?

...ow demonstrate the noticeable artifacting of lossy compression algorithms; select the thumbnail image to view the full size version. Each format is different as described below: JPEG JPEG (Joint Photographic Experts Group) files are (in most cases) a lossy format; the DOS filename extension is JPG...
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What's the best manner of implementing a social activity stream? [closed]

... Smallish in this case is such that "select * from events where event.is visible for this user" returns a result in less than a second or two- figure a few hundred thousand rows worth of events. – Tim Howland May 26 '09 at ...
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Encrypt & Decrypt using PyCrypto AES 256

...code's scope - hashing is just a guarantee that the key is usable with the selected cipher. – zwer Jun 20 '17 at 20:35 2 ...
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How can I access Google Sheet spreadsheets only with Javascript?

... it when the sheet is opened, or when a menu item (that you can define) is selected. Here's a Quickstart/Demo. The code looks like this: // Let's say you have a sheet of First, Last, email and you want to return the email of the // row the user has placed the cursor on. function getActiveEmail() {...
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Why do we need private subnet in VPC?

...including those with only private IP addresses, to directly access S3 from selected subnets within the VPC, without touching "the Internet," and without using a NAT instance or NAT gateway, but this does require additional configuration, and is only usable to access buckets within the same AWS regio...
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How should I ethically approach user password storage for later plaintext retrieval?

...sing a dictionary of 7776 words (as Diceware uses) which could be randomly selected for a six word passphrase, the passphrase would have an entropy of 77.4 bits. See the Diceware FAQ for more info. a passphrase with about 77 bits of entropy: "admit prose flare table acute flair" a password with ab...
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How to handle dependency injection in a WPF/MVVM application

...would switch from one view to another within this region, e.g. as the user selects menu items or whatever. Alternatively take a look at one of the MVVM frameworks such as MVVM Light. I've got no experience of these so can't comment on what they're like to use. ...
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How to use bootstrap-theme.css with bootstrap 3?

... This should be the selected answer. – Patrick Cullen May 13 '14 at 1:31 11 ...
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Reintegrate can only be used if revisions X through Y were previously merged from to reintegra

... In TortoiseSVN, you can right click the file, select "TortoiseSVN" --> "Properties" and Delete the svn:mergeinfo property. – StarCub May 24 '13 at 4:18 ...
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SQLite Concurrent Access

... If most of those concurrent accesses are reads (e.g. SELECT), SQLite can handle them very well. But if you start writing concurrently, lock contention could become an issue. A lot would then depend on how fast your filesystem is, since the SQLite engine itself is extremely fast...