watch

AngularJS : Clear $watch

由 佐手、 提交于 2019-12-17 06:23:10
问题 I have a watch function in my AngularJS application. $scope.$watch('quartzCrystal', function () { ... } However, after some condition (in my example, changing the page at my single-page application) I want to stop that watch (as like clearing timeout). How can I do that? 回答1: $watch returns a deregistration function. Calling it would deregister the $watcher . var listener = $scope.$watch("quartz", function () {}); // ... listener(); // Would clear the watch 回答2: scope.$watch returns a

Android Wear detect ambient screen mode

由 六月ゝ 毕业季﹏ 提交于 2019-12-13 18:28:35
问题 Is there a way to detect when the watch is in ambient screen mode? I make a watch face and want to continue to update the clock when the ambient screen mode is on (clock is shown on screen), but I want to stop updating when the screen is off. For now, I start and stop the update in onPause and onResume methods, but the onPause method is called when the ambient screen mode comes on. Thanks. 回答1: To be notified of the Ambient mode changed, you have to use a DisplayListener . You can find the

AngularJS $scope not watching changes from View

由 删除回忆录丶 提交于 2019-12-13 14:18:05
问题 I have this small sample in which I hoped to see log messages in browser console indicating $scope watcher is working well, but it's unfortunately not the case. <!doctype html> <html ng-app="demo"> <head> <script src="bower_components/angular/angular.js"></script> <script> var app = angular.module('demo', ['ng']); app.controller('demoCtrl', function($scope) { var self = this; self.searchText = ''; $scope.$watch('self.searchText', function(n, p) { console.log('searchText changed from', n, 'to'

Dictionary.Exists Returning Different Values for Variable and Constant Key [duplicate]

由 强颜欢笑 提交于 2019-12-13 00:16:41
问题 This question already has an answer here : Dictionary is populated with an empty item after checking dictionary item in watch window (1 answer) Closed last year . I've been using MS Scripting Runtime Library dictionaries as my goto data structure for the VBA project I'm currently working on, and I just ran into a frustrating issue that is making me think that they might not really be as good as I thought they were. The .Exists method seems like a very useful method, but I get some weird

How do I get Firefox debugger watch's target element?

由 坚强是说给别人听的谎言 提交于 2019-12-12 12:38:55
问题 I've been trying to add the highlighting feature to the Firefox DevTools debugger, so it will highlight the element instead of only showing [HTMLAnchorElement] or similar. I know it's possible, since you can set someElement.style.border='1px solid blue' or similar as a watch, and it hightlights the element. So why not let it store current border, and show it on mouseover using element.style.border='1px solid blue' , and restore it on mouseout? While debugging in Firefox devtools, I noticed

How do I watch a file, not a directory for changes using Python?

由 痞子三分冷 提交于 2019-12-12 10:44:41
问题 The question: How do I watch a file for changes using Python? suggests using watchdog, but I found it was only able to watch a directory, not a file. watchdog-test.py is watchdog's sample script: $ python watchdog-test.py ab_test_res.sh & [1] 30628 fbt@fbt64:~/laike9m$ Traceback (most recent call last): File "watchdog-test.py", line 15, in <module> observer.start() File "/usr/local/lib/python2.7/dist-packages/watchdog/observers/api.py", line 255, in start emitter.start() File "/usr/local/lib

Delphi 64 bit debugging using runtime libs has wrong stack frame active

由 柔情痞子 提交于 2019-12-12 10:44:30
问题 I ran into a Win64 debugging problem where it looks like we are "missing" debug info. So I did some research and re-created all my .dproj files for our flagship product. This helped, as I got my "missing" blue balls back. But now I run into a new problem: the (top) stack frame displayed in the stack display window appears to be wrong, which results in local variables not being displayed in the local variables pane, and also not when hovering the mouse above some variable. But when I select

How can I auto compile my HAML files into HTML files in a tiny project that doesn't run on RoR?

由 邮差的信 提交于 2019-12-12 08:24:52
问题 I have only today started playing with compass and haml . While I am quite familiar with the way sass works and I get the idea of what compass is for sass and how to use it, I've hit a little bit of a road block when it comes to using haml efficiently. Of course I am hoping that someone here already knows the answer to my problem and can give me a little jump start into haml . Here is what I'd like to accomplish: Auto compile my HAML files when I save them. The project however is just a tiny

Grunt with Compass and Watch compiles slow

由 一世执手 提交于 2019-12-12 07:50:09
问题 Grunt takes a quite long to compile the css file, I am not sure if this is normal but regular compass watch takes around 5 seconds. So the question is if there is any way to speed up the compilation time with Grunt or is it better to just stick with compass watch? Running "compass:dist" (compass) task ♀unchanged images/sprite-sf580a96666.png overwrite stylesheets/app.css (3.263s) unchanged images/sprite-sf580a96666.png overwrite stylesheets/app_fr.css (3.289s) Compilation took 11.116s Running

Redis BITSET and WATCH

由 元气小坏坏 提交于 2019-12-11 17:01:17
问题 I'm using Redis to create an algorithm for claiming unused integers from a range. My solution is based on the answer I got for this SO question. This solution uses BITPOS and BITSET , and to avoid race conditions, I also use WATCH / MULTI / EXEC . In order to test the concurrency aspects I created a bash script that concurrently attempts to find a free number 10 times in parallel, to investigate the possible outcomes of the EXEC command. What I found was that EXEC never returned null, even
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