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Retrieve filename from file descriptor in C
...
In Windows, with GetFileInformationByHandleEx, passing FileNameInfo, you can retrieve the file name.
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How can one pull the (private) data of one's own Android app?
...e sure you have enabled USB Debugging on the device
Click View > Tool Windows > Device File Explorer or click the Device File Explorer button in the tool window bar to open the Device File Explorer.
Select a device from the drop down list.
Interact with the device content in the file explore...
计算统计特征（正态分布）函数及实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...def _UTILITY_STDEV_H_
#define _UTILITY_STDEV_H_
/*
* 计算统计特征的函数
*/
#define _USE_MATH_DEFINES
#include <algorithm>
#include <math.h>
#include <float.h>
#include <crtdbg.h>
#include <vector>
struct StdevInfo
{
static const double MAX_VAR;
double _ave;
//doub...
Use HTML5 to resize an image before upload
...;
Then I changed the uploadPhotos function to handle only the resizing:
window.uploadPhotos = function(url){
// Read in file
var file = event.target.files[0];
// Ensure it's an image
if(file.type.match(/image.*/)) {
console.log('An image has been loaded');
// Loa...
Show control hierarchy in the WinForms designer
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You need to use the Document Outline
View > Other Windows > Document Outline
Or via hotkey
Ctl + ALT + T
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How to check file MIME type with javascript before upload?
...that your browser supports both File and Blob. All major ones should.
if (window.FileReader && window.Blob) {
// All the File APIs are supported.
} else {
// File and Blob are not supported
}
Step 1:
You can retrieve the File information from an <input> element like this (r...
How to calculate a time difference in C++
...ds, the precision of clock() can be much worse than that. Fir instance in Windows the precision of the clock() function is something like 40 ms.
– John Dibling
Apr 8 '09 at 2:59
2...
What is the difference between max-device-width and max-width for mobile web?
... whole spectrum of skill/knowledge don't always have their desktop browser window maximized (but I have not yet seen a tablet or phone which has a browser NOT opened maximized - I suppose it is possible in a hybrid app, but that is a different case). Max-width would certainly be more universal.
...
How to remove a TFS Workspace Mapping?
...pen Team Explorer
Click Source Control Explorer
In the nav bar of the tool window there is a drop down labeled "Workspaces".
Extend it and click on the "Workspaces..." option (yeah, a bit un-intuitive)
The "Manage Workspaces" window comes up. Click edit and you can add / remove / edit your workspac...
Is there an easy way to check the .NET Framework version?
...re version 4.5, each version of .NET resided in its own directory below C:\Windows\Microsoft.NET\Framework (subdirectories v1.0.3705, v1.1.4322, v2.0.50727, v3.0, v3.5 and v4.0.30319).
Since version 4.5 this has been changed: Each version of .NET (i.e. 4.5.x, 4.6.x, 4.7.x, 4.8.x, ...) is being inst...