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CPU指令集avx程序无法运行，运行崩溃 - C/C++ - 清泛网 - 专注C/C++及内核技术
CPU指令集avx程序无法运行，运行崩溃cpu_avx_run原因就是CPU不支持相应的指令集导致的。Linux上使用 lscpu 命令查看CPU指令集，看是否支持。比如_mm256_cmpeq_epi64 这个函数需要avx2指令集，但是CPU不支持，就导致程序崩溃起不来。原因...
Debian/Linux下安装OpenJDK8 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
Debian/Linux下安装OpenJDK8linux_install_openjdk8因为Debian11的源里不再带OpenJDK8了，需要手工来安装。下载安装包因为手工安装，所以部分依赖包需要自己下载。wget http: snapshot debian org archive debian-security 202202 因为Debian11的源里不再带Open...
c++获取windows程序的版本号 - C/C++ - 清泛网 - 专注C/C++及内核技术
... // Get the version information size for allocate the buffer
DWORD dwHandle;
DWORD dwDataSize = ::GetFileVersionInfoSize((LPTSTR)lpszModuleName, &dwHandle);
if ( dwDataSize == 0 )
return FALSE;
// Allocate buffer and retrieve version information
LPBYTE lpVersion...
php 遍历目录批量转换文件编码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...while ($file = $mydir->read()) {
if ((is_dir("$directory/$file")) AND ($file != ".") AND ($file != "..")) {
tree("$directory/$file");
} else {
$file ="$directory/$file";
// echo "<li>$file</li>\n";
if(is_file($file)){
...
Use different Python version with virtualenv
... system currently running with python 2.5.4. I got virtualenv properly installed, everything is working fine. Is there a possibility that I can use a virtualenv with a different version of Python?
...
Why is there no String.Empty in Java?
I understand that every time I type the string literal "" , the same String object is referenced in the string pool.
11 An...
Asynchronously load images with jQuery
...ge Base64 data using Ajax and then on completion you build the Base64 data string to the image! Great fun :). I recommend to use this site http://www.freeformatter.com/base64-encoder.html for image encoding.
$.ajax({
url : 'BASE64_IMAGE_REST_URL',
processData : false,
}).always(function(b...
Is there a way to do method overloading in TypeScript?
...be compatible with all of the overloads.
class TestClass {
someMethod(stringParameter: string): void;
someMethod(numberParameter: number, stringParameter: string): void;
someMethod(stringOrNumberParameter: any, stringParameter?: string): void {
if (stringOrNumberParameter &...
jQuery - Detect value change on hidden input field
...es across this thread.
Changes in value to hidden elements don't automatically fire the .change() event. So, wherever it is that you're setting that value, you also have to tell jQuery to trigger it.
function setUserID(myValue) {
$('#userid').val(myValue)
.trigger('change');...
Scanner vs. StringTokenizer vs. String.Split
...va's Scanner class and now I'm wondering how it compares/competes with the StringTokenizer and String.Split. I know that the StringTokenizer and String.Split only work on Strings, so why would I want to use the Scanner for a String? Is Scanner just intended to be one-stop-shopping for spliting?
...