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iOS / Android cross platform development [closed]
I've been playing around with developing Android apps in Java for a while and am starting to get a handle on it. However if I want to on start on an iOS version I need to code everything from scratch - which is, well, undesirable.
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Client-server synchronization pattern / algorithm?
...eral use cases.
Synchronize changes. Your change-log (or delta history) approach looks good for this. Clients send their deltas to the server; server consolidates and distributes the deltas to the clients. This is the typical case. Databases call this "transaction replication".
Client has lost...
创业公司刷单造假泛滥 部分企业不堪重负倒闭 - 资讯 - 清泛网 - 专注C/C++...
...事实上，除了融资金额造假外，当前创业公司对外公布的App用户量、订单量等数据，很多也充满“水分”。事实上，除了融资金额造假外，当前创业公司对外公布的App用户量、订单量等数据，很多也充满“水分”。
现在的O2O模...
AppInventor2如何通过socket给网络发16进制的数据？ - App Inventor 2 中文...
AppInventor2如何通过socket给网络发16进制的数据？问：app inventor的给网络发16进制指令的方法，可以赐教吗？软件只能发ASCLL码？没办法收发HEX，蓝牙组件的有写字节功能，TCP网络组件没有。答：发送文本消息时，hexaStringMode 问：a...
How to copy text to clipboard/pasteboard with Swift
...of how to copy text to iOS clipboard that can then be used/pasted in other apps.
4 Answers
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Debugging sqlite database on the device
I am presently working on an WiFi application for Android. I am having trouble trying to access the database on the device. Debugging in the emulator doesn't work for me, because there is no WiFi support in the emulator. I tried pulling the database file out of the device by using
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“The file ”MyApp.app“ couldn't be opened because you don't have permission to view it” when running
Whenever I try to run my app in Xcode 6 Beta 4 I am getting the error:
57 Answers
57
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Is it a bad practice to use negative margins in Android?
... android:layout_height="0dp"
android:layout_marginBottom="32dp"
app:layout_constraintBottom_toBottomOf="@+id/below"
app:layout_constraintLeft_toLeftOf="@id/below"
app:layout_constraintRight_toRightOf="@id/below" />
<TextView
android:id="@+id/top"
android:layout_widt...
What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
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That's how it should work -- but apparently the Gemfile.lock includes 'open' versions in some cases (e.g. rails (4.0.0) requires bundler (>= 1.3.0, < 2.0)), which causes problems. Any idea how to avoid those 'open' dependencies?
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How to make a node.js application run permanently?
On a Debian server, I installed Node.js. I understand how to launch an app from putty with this command line:
19 Answers
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