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android - TabHost with Fragments and FragmentActivity

I'm working on an Android App and I want to use 3 tabs for navigation using Fragments for each tab, but I don' ... RateMyPetActivity(), tabId) .commit(); } } } Question&Answers:os...

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

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html - Which is better: <script type="text/javascript">...</script> or <script>...</script>

Which is better or more convenient to use: <script type="text/javascript">...</script> or <script>...</script> Question&Answers:os...

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

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AngularJS resource promise

I've got a simple controller that use $resource : var Regions = $resource('mocks/regions.json'); $scope.regions = Regions. ... (var region in regions) {} }; }); Question&Answers:os...

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

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algorithm - How to round floats to integers while preserving their sum?

Let's say I have an array of floating point numbers, in sorted (let's say ascending) order, whose sum ... script I used to identify which algorithms worked. Question&Answers:os...

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

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statusbar - Android Material: Status bar color won't change

I'm developing an simple app to test the material design. I'm using com.android.support:appcompat-v7:21.0.0 ... bar doesn't change color? Anyone can help? Question&Answers:os...

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

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java - Is ConcurrentHashMap totally safe?

this is a passage from JavaDoc regarding ConcurrentHashMap. It says retrieval operations generally do not block, ... operations holding upon their onset." Question&Answers:os...

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

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java - Should I use a separate ScriptEngine and CompiledScript instances per each thread?

My program uses Java Scripting API and can eval some scripts concurrently. They don't use shared script objects, Bindings or ... ); } } }; threads.start(); } Question&Answers:os...

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

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r - Subset with unique cases, based on multiple columns

I'd like to subset a dataframe to include only rows that have unique combinations of three columns. My situation ... ) hasn't been fruitful. Thanks in advance. Question&Answers:os...

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

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javascript - AngularJS: Better way to watch for height change

I'm having the old variable height navigation problem: A position: fixes navigation on top and a content with margin-top ... . Is there a better way to do this? Question&Answers:os...

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

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android - How to move Bluetooth activity into a Service

The application gives the users 2 connection options, USB and Bluetooth. USB works fine. I have ... ? I am using BluetoothChatService and DeviceListActivity Question&Answers:os...

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

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multithreading - When does Java's Thread.sleep throw InterruptedException?

When does Java's Thread.sleep throw InterruptedException? Is it safe to ignore it? I am not doing any ... for a few seconds before retrying some operation. Question&Answers:os...

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

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indexing - Should I index a bit field in SQL Server?

I remember reading at one point that indexing a field with low cardinality (a low number of distinct values) ... does cardinality matter and when does it not? Question&Answers:os...

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

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How to move the layout up when the soft keyboard is shown android

I have a login screen with two EditTexts and a login button in my layout. The problem is that, when I start ... me some way of doing it. Thanks in advance. Question&Answers:os...

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

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javascript - Is var self = this; a bad pattern?

I find myself needing: var self = this; a lot within my javascript 'classes'. Although this is commonly done, it ... scope when calling a method. Is it better? Question&Answers:os...

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

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How to call a function from another controller in angularjs?

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

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Android - Switch ActionBar Back Button to Navigation Button

I am having the following problem: I know how to set up a toolbar to show a back button icon instead of a burger ... } else { // TODO: Enables burger icon } } Question&Answers:os...

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

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java - Why can array constants only be used in initializers?

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

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Querying an array of arrays in MongoDB

Say, I have a document like this.. "ID" : "fruit1", "Keys" : [["apple", "carrot", "banana"]] How do ... ]}); Any pointer to this query will be helpful. Thanks. Question&Answers:os...

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

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javascript - How do you create a custom adapter for ember.js?

I'm planning on using ember.js, however my REST api doesn't exactly align with the packaged REST Adapter. I ... on how I would go about doing this. Question&Answers:os...

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

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javascript - Multiple path names for a same component in React Router

I am using the same component for three different routes: <Router> <Route path="/home" component={Home} /> <Route ... "/widgets"] component={Home} /> </Router> Question&Answers:os...

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

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c# - Does the use of the "Async" suffix in a method name depend on whether the 'async' modifier is used?

What is the convention for suffixing method names with "Async"? Should the "Async" suffix be appended only to a ... > or Task? public Task<bool> ConnectAsync() Question&Answers:os...

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

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linux - Read and write to binary files in C?

Does anyone have an example of code that can write to a binary file. And also code that can read a binary ... read from a file it is not outputting correctly. Question&Answers:os...

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

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css - Search input with an icon Bootstrap

No clue how I can do this, since BS 4 doesn't support glyphicons. Do I set it up as a background or do I apply ... input"> </div>  Question&Answers:os...

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

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323 views

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python - Pycharm: set environment variable for run manage.py Task

I have moved my SECRET_KEY value out of my settings file, and it gets set when I load my virtualenv. I can confirm ... : 'SECRET_KEY'. Where do I put this key? Question&Answers:os...

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

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c# - Creating dynamic queries with entity framework

I would like to know what is the best way of creating dynamic queries with entity framework and linq. I ... do this? Preferably type safe with compile check? Question&Answers:os...

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

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hook - C# How to find if an event is hooked up

I want to be able to find out if an event is hooked up or not. I've looked around, but I've ... determine this from outside the object that contains the event? Question&Answers:os...

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

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144 views

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ios - Uploading image with AFNetworking 2.0

I'm banging my head against the wall with this one. I want to select UIImage from library and upload it to ... to cope with that, but cannot see any solution Question&Answers:os...

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

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1.1k views

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Two-way encryption in PHP

My application (obviously) uses a unique ID to distinguish records. This UID is passed in URLs (e.g. ./ ... what happens if I increment this integer?" TIA. Question&Answers:os...

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

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