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How to create a CPU spike with a bash command

泪湿孤枕 提交于 2019-12-28 03:15:07
问题 I want to create a near 100% load on a Linux machine. It's quad core system and I want all cores going full speed. Ideally, the CPU load would last a designated amount of time and then stop. I'm hoping there's some trick in bash. I'm thinking some sort of infinite loop. 回答1: You can also do dd if=/dev/zero of=/dev/null To run more of those to put load on more cores, try to fork it: fulload() { dd if=/dev/zero of=/dev/null | dd if=/dev/zero of=/dev/null | dd if=/dev/zero of=/dev/null | dd if=

onPageFinished() never called (webview)!

[亡魂溺海] 提交于 2019-12-28 02:12:07
问题 I want to show a toast when the webview is totally loaded. But the toast never show up, i don't know why..here is my code: public class WebViewSignUp extends Activity{ WebView mWebView; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.webviewsignup); mWebView = (WebView) findViewById(R.id.webview); mWebView.getSettings().setJavaScriptEnabled(true); ((TextView)findViewById(R.id.home)).setOnClickListener(new OnClickListener(

How can I correct MySQL Load Error

匆匆过客 提交于 2019-12-27 20:13:46
问题 I'm not quite sure a similar question to this was closed by I'm trying to execute the following MySQL program. mysql -e "load data local infile \ '/tmp/ept_inventory_wasp_export_04292013.csv' into \ table wasp_ept_inv fields terminated by ',' \ lines terminated by '\n' ;" at the bash command line and get this error ERROR 1148 (42000) at line 1: The used command is not allowed with this MySQL version How can I work around this problem? I am actually running this command from a Python program,

Windows Phone 8 C# Load and Draw PNGs

倖福魔咒の 提交于 2019-12-26 06:09:38
问题 I'm making a music theory game with C# and XAML, where a note appears on the stave and you press the corresponding button, and then it spawns a new note in a new position and gameplay 'loops' from there until you run out of lives...etc Yet I can't find anything that tells me how to load and draw .png files for Windows Phone 8. The main issue is that the position is what changes, and all I want to do is make the note image appear at one of the defined positions when a new note is made. It

Socket.io Failed to load resource

久未见 提交于 2019-12-25 11:57:06
问题 i have error Failed to load resource http://localhost:3250/socket.io/1/?t=1376856906369 when i try do something with socket.io (loading work properly) it is my first lines server var express = require('express') , http = require('http') , mysql = require('mysql'); var app = express(); var server = http.createServer(app); var io = require('socket.io').listen(server); server.listen(8080); app.set('view engine', 'swig'); app.use(express.bodyParser()); app.use(express.methodOverride()); app.use

jQuery loading screen with minimum viewing time

泄露秘密 提交于 2019-12-25 11:05:07
问题 so i have this loading screen that displays information while the page is loading but because of faster internet speeds this can be displayed in a flash.. I would like to add a minimum display time! this is my current code jQuery(window).load(function() { jQuery('.pageLoad').animate({ opacity: 0 }, 800, function() { jQuery('.pageLoad').css({ display: 'none' }); }); }); How can i do this? 回答1: You could put your fade-out method in a function and call that after an xx number of seconds from $

Execute js after all image loaded

我是研究僧i 提交于 2019-12-25 09:01:46
问题 (I searched, but not find exactly/easy solution) I'm trying to execute JS after all images completely loaded. My goal is, when all images finish load completely, then removeClass my-loader and addClass visible to main-slider div. HTML: <div class='main-slider my-loader'> <img src="/nice-girl.jpg"> <img src="/nice-car.jpg"> <img src="/nice-boy.jpg"> </div> Execute below js when all images completely loaded $(".main-slider").removeClass("my-loader").addClass("visible"); Tried : But not work,

CPU utilization reaches 100% when i perform execution with JMeter in distributed mode

。_饼干妹妹 提交于 2019-12-25 08:59:10
问题 I am using JMeter(in distributed mode) for load testing. Its a JAVA application and SQL database. Application server and database server are two different images. If i put 50 user's load, after 60 minutes application server reaches 100%. If i put 100 user's load, after 60 minutes application server reaches 100%. If i put 500 user's load, after 60 minutes application server reaches 100%. If i put 1500 user's load, after 60 minutes application server reaches 100%. If i put 2500 user's load,

Databind Grid LINQ Asynchronous ASP.NET C#

旧街凉风 提交于 2019-12-25 08:58:38
问题 I have a page loading a bit slow, and because of that I want to load the data in the gridview AFTER the page is done loading. I would like to, keep using my LinqDataSource1_Selecting - since I get this error when I bind the gridview with Grid1.DataSource: Cannot compute Count for a data source that does not implement ICollection. For now I've tried using BackgroundWorker, Asynchronous Pages and a timer. But I can't really get them too work like I want to. This is how I'm binding my data:

Android LoadMore-ListView

偶尔善良 提交于 2019-12-25 07:26:12
问题 I have an internal-database(SQLite) with many entries. So I decided to load the first 20 entries in the listview when the user starts the activity and when he scrolls down he can load 20 more each time pressing a button if there are entries left. EDIT //onCreate() acceptedLogs = helper.getLogsRange(0, LOAD_AMOUNT); loadedEntriesCounter = LOAD_AMOUNT; logAdapter = new LogAdapter(acceptedLogs); logRecyclerView.setAdapter(logAdapter); logRecyclerView.setHasFixedSize(false); linearLayoutManager =