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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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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. ...
/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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Easier way to create circle div than using an image?
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Here's a demo: http://jsfiddle.net/thirtydot/JJytE/1170/
CSS:
.circleBase {
border-radius: 50%;
behavior: url(PIE.htc); /* remove if you don't care about IE8 */
}
.type1 {
width: 100px;
height: 100px;
background...
Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
...it lags the same. I can see differences in the animation (his animation is based on weights), but I can't see why it would lag in both cases.
– Bogdan Zurac
Feb 2 '13 at 13:12
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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>
$("img#captured").attr("src", "data:image/png;base64,"+data);
});
Keep in mind console.log() and alert() won´t generate output if the size of the i...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...v packagekit-media.repo packagekit-media.repo.bak
配置源
vi CentOS-Base.repo
[base]
name=CentOS-$releasever - Base - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyun.com/centos/6.7/os/$basearch/
http://mirrors.aliyuncs.com/centos/6.7/os/$basearch/
#mirro...
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...
How to set the authorization header using curl
...ion used in HTTP (which is the type curl uses by
default) is plain text based, which means it sends username and password
only slightly obfuscated, but still fully readable by anyone that sniffs on
the network between you and the remote server.
To tell curl to use a user and password f...