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angularjs - How do I get the offset().top value of an element without using jQuery?

I'm programming a single-page application using the Angular framework. I'm new to it. I've read this guide to ... , I'd appreciate the advice. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Get AVG ignoring Null or Zero values

How can I get the AVG of a column ignoring NULL and zero values? I have three columns to get their ... ? example: AVERAGE(NOTNULL(SecurityW)) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to assign a new class attribute via __dict__?

I want to assign a class attribute via a string object - but how? Example: class test(object): pass ... object does not support item assignment See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - How to change the default path of view files in a Rails 3 controller?

I have a controller called ProjectsController. Its actions, by default, look for views inside app/views/projects. I'd ... so, how? Thank you! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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trim - Php how to remove any last commas

Example output 1. test,test,test,test,test, 2. test,test,test,, 3. test,test,,, 4. test,,,,, I tried ... comma. How to remove any last commas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Rails.cache error in Rails 3.1 - TypeError: can't dump hash with default proc

I running into an issue with the Rails.cache methods on 3.1.0.rc4 (ruby 1.9.2p180 (2011-02-18 revision ... . Any suggestions? Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to make generated classes contain Javadoc from XML Schema documentation

I'm currently working with an XML Schema that has <xsd:annotation>/<xsd:documentation> on most types and ... elements are still Javadoc-less. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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api - Can't create pdf using python PDFKIT Error : " No wkhtmltopdf executable found:"

I tried installing pdfkit Python API in my windows 8 machine. I'm getting issues related to path. Traceback (most ... google.com', 'out.pdf') See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - View not updating after post

I have a controller method CreateOrUpdate, this method is supposed to save the car to the database and then ... if the save was successful. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - ProGuard for Android and GSON

I'm setting up ProGuard for my Android project. My project also uses GSON. I've researched ProGuard configurations ... for GSON in Android? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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HTML Tags in Javascript Alert() method

I wanted to know if it's possible to add HTML tags to JavaScript alert() method, such as: <b> <ul> <li> etc. Thanks for your help See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How can I verify that I am running on a given GCD queue without using dispatch_get_current_queue()?

Recently, I had the need for a function that I could use to guarantee synchronous execution of a given block on ... I can prevent a deadlock? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - Is bit shifting O(1) or O(n)?

Are shift operations O(1) or O(n) ? Does it make sense that computers generally require more operations to ... hardware is an appropriate tag.. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Multiple key names, same pair value

I'm trying to setup an object literal in a JavaScript script that has a key with multiple names. referring to ... a way I can accomplish this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache spark - Mind blown: RDD.zip() method

I just discovered the RDD.zip() method and I cannot imagine what its contract could possibly be. I ... zip() results are reproducible? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Method to convert HTML5 canvas to SVG?

I need to convert an HTML5 canvas to SVG for editing. How can I achieve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iphone - Black screen instead of launch image on iPad

I am developing an iPhone app for iOS 6.1 and 7 (using Xcode 5). I have a problem with iPad launch images ... Asset Catalog. What am I missing? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How do I compute the non-client window size in WPF?

WPF has the SystemParameters class that exposes a great number of system metrics. On my computer I have ... values by using SystemParameters? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - When is std::chrono epoch?

std::chrono::time_point::time_since_epoch() returns a duration, referred to some time_point in the past. When is such ... to 1 January 1970 UTC? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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hash - Java: A "prime" number or a "power of two" as HashMap size?

Many books and tutorials say that the size of a hash table must be a prime to evenly distribute the keys in all ... two" as the hash table size? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Convert NumPy array to 0 or 1 based on threshold

I have an array below: a=np.array([0.1, 0.2, 0.3, 0.7, 0.8, 0.9]) What I want is to convert this vector to ... , 0, 1, 1, 1] How can I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Runtime exception Android O with boot_completed

I'm trying to start an IntentService within my BOOT_COMPLETED receiver, but in Android O (API 26) I get: java. ... I do this the correct way? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jquery - start javascript code with $(function, etc

I am studying Backbone and the todo example apps from http://todomvc.com/ I have noticed there are 3 severals ... files? Thanks for your advice. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Django Programming error column does not exist even after running migrations

I run python manage.py makemigrations and I get: No changes detected Then, python manage.py migrate and I get: No ... How can I debug this??? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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In git, how do I remove a commit from one branch and apply it to a different branch?

I have two branches off of master, each one for a different feature, and then I have a synthesis branch ... somewhere else maneuver with git? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Jquery to open Bootstrap v3 modal of remote url

I have a page of links to internal pages I need to open up in a Bootstrap modal DIV. The problem is that ... shed some lights on this please? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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330 views

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How do I enable Webstorm intellisense for AngularJS when writing CoffeeScript

I have setup Webstorm to recognise and compile my coffeescript files. I have installed the AngularJS plugin ... in CoffeeScript files? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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467 views

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java - JPA using multiple database schemas

I'm having a bit of trouble with one particular issue using JPA/Spring: How can I dynamically assign a ... residing in the environment? Cheers See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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