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Why do you need to create a cursor when querying a sqlite database?
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Equivalent of varchar(max) in MySQL?
...data page an overflow page is allocated and the previous page points to it forming a linked list. Unlike TEXT, NTEXT, and BLOB the varchar(max) column type supports all the same query semantics as other column types.
So varchar(MAX) really means varchar(AS_MUCH_AS_I_WANT_TO_STUFF_IN_HERE_JUST_KEEP_G...
Different floating point result with optimization enabled - compiler bug?
.../Redhat 5 and CentOS/Redhat 6. I compiled many my programs under these platforms, I am worry about that will cause unexpected bugs inside my programs.
– Bear
Sep 22 '11 at 16:16
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NodeJS: Saving a base64-encoded image to disk
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this is my full solution which would read any base64 image format and save it in the proper format in the database:
// Save base64 image to disk
try
{
// Decoding base-64 image
// Source: http://stackoverflow.com/questions/20267939/nodejs-write-base64-ima...
What does iota of std::iota stand for?
...rom the law, till all be fulfilled.
The OED gives “iote” as another form of “jot”, which (like “iota”) descends from the Greek word “ἰῶτα”, which is the Greek name for the letter in question. Why did Featley change “iote” to “iota”? Sadly, I don't have a copy of Clav...
`levels
...;-`(factor(x), y))
It's kind of beautiful that this pure-functional transformation (up until the very end, where the assignment happens) is equivalent to what an assignment would be in an imperative language. If I remember correctly this construct in functional languages is called a lens.
But the...
Running a cron every 30 seconds
... ; /path/to/executable param1 param2 )
You'll see I've added comments and formatted to ensure it's easy to keep them synchronised.
Both cron jobs actually run every minute but the latter one will wait half a minute before executing the "meat" of the job, /path/to/executable.
For other (non-cron-bas...
API Keys vs HTTP Authentication vs OAuth in a RESTful API
...how to go about securing the API, I found a few different opinions on what form to use. I've seen some resources say HTTP-Auth is the way to go, while others prefer API keys, and even others (including the questions I found here on SO) swear by OAuth.
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Should MySQL have its timezone set to UTC?
... DST.
Here are some notes I collected of how to work with timezones as a form of cheatsheet for myself and others which might influence what timezone the person will choose for his/her server and how he/she will store date and time.
MySQL Timezone Cheatsheet
Notes:
Changing the timezone will...
What does principal end of an association means in 1:1 relationship in Entity framework
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