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How do you determine the size of a file in C?
...
Based on NilObject's code:
#include <sys/stat.h>
#include <sys/types.h>
off_t fsize(const char *filename) {
struct stat st;
if (stat(filename, &st) == 0)
return st.st_size;
return -1; ...
What is base 64 encoding used for?
I've heard people talking about "base 64 encoding" here and there. What is it used for?
18 Answers
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App Inventor 2 上传文件到服务器的方案全总结 - App Inventor 2 中文网 - ...
1、图片Base64化，然后通过Web客户端POST文本的方式，发送数据，服务端base64解码后，存储文件。下载过程是Web客户端通过网络url下载文件到手机。
类似地，也可以将图片Base64化后分片存储到网络微数据库。下...
/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
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Yes, there is. An apt-get based solution to this problem is described here: superuser.com/questions/310809/…
– aroth
Mar 5 '13 at 4:09
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Grid of responsive squares
...ith CSS. I will explain how in a step by step process but first here are 2 demos of what you can achieve :
Grid of square images
Grid of squares with content
Now let's see how to make these fancy responsive squares!
1. Making the responsive squares :
The trick for keeping elements squar...
detach all packages while working in R
... character.only=TRUE, unload=TRUE, force=TRUE))
One can attempt to unload base packages via $basePkgs and also attempt using unloadNamespace(loadedNamespaces()). However these typically are fraught with errors and could break basic functionality such as causing sessionInfo() to return only errors. ...
How to sign an android apk file
...echnology
What is the name of your organization?
[Unknown]: MySignedApp Demo
What is the name of your City or Locality?
[Unknown]: Mumbai
What is the name of your State or Province?
[Unknown]: Maharashtra
What is the two-letter country code for this unit?
[Unknown]: IN
Is CN=MySignedApp ...
How to take screenshot of a div with JavaScript?
... 0, 0, 100, 100, function(data) {
// in the data variable there is the base64 image
// exmaple for displaying the image in an <img>
$("img#captured").attr("src", "data:image/png;base64,"+data);
});
Keep in mind console.log() and alert() won´t generate output if the size of the i...
Java associative-array
...ped, however has less elegant syntax/API.
This is the closest you can get based on your example:
Map<Integer, Map<String, String>> arr =
org.apache.commons.collections.map.LazyMap.decorate(
new HashMap(), new InstantiateFactory(HashMap.class));
//$arr[0]['name'] = 'demo'...
How to make an HTTP request + basic auth in Swift
...ssword)
let loginData = loginString.data(using: String.Encoding.utf8)!
let base64LoginString = loginData.base64EncodedString()
// create the request
let url = URL(string: "http://www.example.com/")!
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.setValue("Basic \(base64Login...