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Encoding an image file with base64
I want to encode an image into a string using the base64 module. I've ran into a problem though. How do I specify the image I want to be encoded? I tried using the directory to the image, but that simply leads to the directory being encoded. I want the actual image file to be encoded.
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tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
...de <limits.h>
# include <stdio.h>
# include <stdlib.h>
# include <string.h>
# include <stdarg.h>
#else
# include <cctype>
# include <climits>
# include <cstdio>
# include <cstdlib>
# include <cstring>
# include <cstdarg>
#endif
/*
TODO: intern strings instead o...
Converting HTML string into DOM elements? [duplicate]
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You can use a DOMParser, like so:
var xmlString = "<div id='foo'><a href='#'>Link</a><span></span></div>";
var doc = new DOMParser().parseFromString(xmlString, "text/xml");
console.log(doc.firstChild.innerHTML); // => <a h...
How should I store GUID in MySQL tables?
...handy functions (thanks to a wiser collegue of mine) to get from 36 length string back to a byte array of 16.
DELIMITER $$
CREATE FUNCTION `GuidToBinary`(
$Data VARCHAR(36)
) RETURNS binary(16)
DETERMINISTIC
NO SQL
BEGIN
DECLARE $Result BINARY(16) DEFAULT NULL;
IF $Data IS NOT NULL THE...
What is a plain English explanation of “Big O” notation?
...up them by matching color and pattern. We then exploit this to avoid doing extra work later (comparing puzzle pieces of like color to each other, not to every other single puzzle piece).
The moral of the story: a data structure lets us speed up operations. Even more, advanced data structures can l...
Python __str__ and lists
In Java, if I call List.toString(), it will automatically call the toString() method on each object inside the List. For example, if my list contains objects o1, o2, and o3, list.toString() would look something like this:
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Find an item in List by LINQ?
Here I have a simple example to find an item in a list of strings. Normally I use for loop or anonymous delegate to do it like this:
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Calling a function of a module by using its name (a string)
What is the best way to go about calling a function given a string with the function's name in a Python program. For example, let's say that I have a module foo , and I have a string whose content is "bar" . What is the best way to call foo.bar() ?
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How does Go compile so quickly?
...ed around the Go website, but I can't seem to find an explanation for Go's extraordinary build times. Are they products of the language features (or lack thereof), a highly optimized compiler, or something else? I'm not trying to promote Go; I'm just curious.
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Java: parse int value from a char
... know if there's a better solution to parse a number from a character in a string (assuming that we know that the character at index n is a number).
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