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PHP json_encode encoding numbers as strings

...e of the json_encode() function is a string. Regarding the MySQL returning all fields as strings, yes I have also encountered this specifically with PDO. The way I see it you should always cast values you expect to be numeric to integer (or float) in PHP to make sure, do not trust MySQL or any other...
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What is Dispatcher Servlet in Spring?

...s to take an incoming URI and find the right combination of handlers (generally methods on Controller classes) and views (generally JSPs) that combine to form the page or resource that's supposed to be found at that location. I might have a file /WEB-INF/jsp/pages/Home.jsp and a method on a class...
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How can I enable or disable the GPS programmatically on Android?

I know that the question about turning on/off GPS programatically on android has been discussed many times , and the answer is always the same: ...
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String vs. StringBuilder

... I like this answer a lot, especially the advice to code for clarity before performance. As developers, we spend as much or more time reading code as we do writing it. – Scott Lawrence Sep 16 '08 at 18:18 ...
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Hashing a file in Python

...those bigger files in chunks! import sys import hashlib # BUF_SIZE is totally arbitrary, change for your app! BUF_SIZE = 65536 # lets read stuff in 64kb chunks! md5 = hashlib.md5() sha1 = hashlib.sha1() with open(sys.argv[1], 'rb') as f: while True: data = f.read(BUF_SIZE) i...
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How does Google calculate my location on a desktop?

...the wifis you passed, and returns the "wardrived" position if found, eventually with triangulation if intensities are present. The more wifi networks around, the higher is the accuracy of the positioning. adds additional networks you see that are currently not in the database to their database, so t...
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Do browsers send “\r\n” or “\n” or does it depend on the browser?

...me for a million years... whenever I create a website with a textarea that allows multi-line (such as a "Bio" for a user's profile) I always end up writing the following paranoid code: ...
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How to unload a package without restarting R

...nt version and a stable version in different libraries). To guarantee that all copies are detached, use this function. detach_package <- function(pkg, character.only = FALSE) { if(!character.only) { pkg <- deparse(substitute(pkg)) } search_item <- paste("package", pkg, sep = ":...
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MySQL “between” clause not inclusive?

...t; 23:59:59 and t < 24:00:00. Why deal with poorly specified BETWEEN at all? Rather follow David's advice and use: WHERE dob >= '2011-01-01' AND dob < '2011-02-01'. Best performance, and it works every time. – Disillusioned Feb 27 '17 at 9:13 ...
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GSON - Date format

... This won't really work at all. There is no date type in JSON. I would recommend to serialize to ISO8601 back and forth (for format agnostics and JS compat). Consider that you have to know which fields contain dates. ...