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How to clear ostringstream [duplicate]
...them, then you don't need to call clear().
Usually it is easier, cleaner, and more straightforward (straightforwarder?) just to use a new std::ostringstream object instead of reusing an existing one, unless the code is used in a known performance hot spot.
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How to encrypt/decrypt data in php?
... using BINARY or VARBINARY columns. If this is not an option, you can also convert the binary data into a textual representation using base64_encode() or bin2hex(), doing so requires between 33% to 100% more storage space.
Decryption
Decryption of the stored values is similar:
function pkcs7_unpa...
How to create REST URLs without verbs?
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Sometimes I find it useful to convert the words into a "processing resource" like "activator" or "validator". As per RFC 2616 POST can be used to "Provide a block of data...to a data-handling process"
– Darrel Miller
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Storing Image Data for offline web application (client-side storage database)
...ffer in javascript, while js blob has no equivalent in sqlite. Blob cannot convert to arraybuffer, although it can be structurally cloned.
– Kyaw Tun
Jan 2 '13 at 14:24
add a ...
In Java, when should I create a checked exception, and when should it be a runtime exception? [dupli
... For example, if I'm passing up from my persistence layer, I would like to convert an SQL exception to a persistence exception, since the next layer up shouldn't care that I'm persisting to a SQL database, but will want to know if something could not be persisted. Another technique I use is to crea...
What is the difference between native code, machine code and assembly code?
I'm confused about machine code and native code in the context of .NET languages.
4 Answers
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Sorting dictionary keys in python [duplicate]
... have an elegant solution which gives (key,value) pairs sorted by key. ...and doesn't require providing the dict variable name more than once (I tend to have very long descriptive variable names). d.iteritems() still seems the most useful.
– travc
Jan 30 '13 ...
How to preserve insertion order in HashMap? [duplicate]
...p . When I iterate over the map, the data is returned in (often the same) random order. But the data was inserted in a specific order, and I need to preserve the insertion order. How can I do this?
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Is ASCII code 7-bit or 8-bit?
...thods such as MIME, UUcoding and BinHex. This mean that the 8-bit has been converted to a 7-bit characters, which adds extra bytes to encode them.
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