twice

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: This is a fairly weird case, you can see the code here: http://jsfiddle.net/zpZtH/2/ 回答1: you should not wrap input elements by using a label element, try this: <label for = "average-data" class = "section-view-time-checkbox" > <span class = "custom checkbox checked" ></span> Average </label> <input type = "checkbox" id = "average-data" style = " display : none ; " > http://jsfiddle.net/zpZtH/7/ 回答2: http://jsfiddle.net/Cc55g/ You need to call event.preventDefault() within your click handler. This prevents the default click action

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I've implemented dispatchKeyEvent in my activity to listen to the Enter key being pressed. The problem is that when i click enter,it calls my method twice ? How can i fix this ? Thanks,have a nice day ! @Override public boolean dispatchKeyEvent(KeyEvent e) { if (e.getKeyCode() == KeyEvent.KEYCODE_ENTER) { enter(); return true; } return super.dispatchKeyEvent(e); }; 回答1: Fixed it,done this : At first i was doing ACTION_DOWN but that was triggering an older problem of mine. @Override public boolean dispatchKeyEvent(KeyEvent event) { if (event

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I've got an image like this: <img class = "linkDelete" src = "some_path" /> I use jQuery click event on the image: $ ( '.linkDelete' ). click ( function ( event ) { event . preventDefault (); $ ( location ). attr ( 'href' , some_location ); }); The event is fired twice in Firefox but once in IE. I'd like to know if there's a solution to make it fire only once in Firefox? Thanks :) PS: I tried by deleting the href="#" in the img tag. No use... 转载请标明出处: jQuery click event fired twice in firefox but not in IE 文章来源: jQuery click event

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am not sure if this is the correct place to ask this or not, if it's not please let me know where would be the right place. There is a well known issue with LiveReload for Sublime Text in which the changes are not shown unless you save twice. I'm wondering if there is a way to edit the settings to have ST automatically save twice when you hit save. 回答1: You can override the default keybinding to instead save twice. In order to do that you will need a way to call the "save" command more than once. This post tells how to do that. Basically,

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am processing a fairly big collection of Tweets and I'd like to obtain, for each tweet, its mentions (other user's names, prefixed with an @ ), if the mentioned user is also in the file: users = new Dictionary() for each line in file: username = get_username(line) userid = get_userid(line) users.add(key = userid, value = username) for each line in file: mentioned_names = get_mentioned_names(line) mentioned_ids = mentioned_names.map(x => if x in users: users[x] else null) print "$line | $mentioned_ids" I was already processing the file with

实际调试通过，响应速度小于5mS void SSRF_PLL(void) { sClarkeParkSwitch.a = gUaFdb; sClarkeParkSwitch.b = gUbFdb; sClarkeParkSwitch.c = gUcFdb; sClarkeParkSwitch.Clarke(&sClarkeParkSwitch); sClarkeParkSwitch.sin_sita = sin(sSPLL.wt); sClarkeParkSwitch.cos_sita = cos(sSPLL.wt); sClarkeParkSwitch.Park(&sClarkeParkSwitch); sSPLL.Ud_fb = sClarkeParkSwitch.d; sSPLL.Uq_fb = sClarkeParkSwitch.q; sSPLL.err = sSPLL.Uq_ref - sSPLL.Uq_fb; //sSPLL.Uq_ref已经初始化为0 sSPLL.errd = sSPLL.err - sSPLL.errold; //误差的微分 sSPLL.errold = sSPLL.err; //记录本拍的误差值，给下一拍使用。 sSPLL.w = (sSPLL.PLL_Kp + sSPLL.PLL_Ki)*sSPLL.err + sSPLL.erri +

object Twice { def apply(x: Int): Int = x * 2 def unapply(z: Int): Option[Int] = if (z % 2 == 0) Some(z / 2) else None } object TwiceTest extends Application { val x = Twice(21) x match { case Twice(n) => Console.println(n) } // prints 21 } object TwiceTest extends Application { val x = Twice.apply(21) Twice.unapply(x) match { case Some(n) => Console.println(n) } // prints 21 } 来源： https://www.cnblogs.com/lianghong881018/p/11355858.html