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Selector on background color of TextView
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The problem here is that you cannot define the background color using a color selector, you need a drawable selector. So, the necessary changes would look like this:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas...
How to configure an existing git repo to be shared by a UNIX group
...ant to open it up to some UNIX user group, foo, so that all members of foo can push to it. I'm aware that I can easily set up a new git repo with:
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Why should I use tags vs. release/beta branches for versioning?
...o work with tags, but what I'd like to know is why use tagging at all if I can just create a new branch called 1.1.0 and not have to cloud my mind with a whole new set of git commands?
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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
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long and long int are identical. So are long long and long long int. In both cases, the int is optional.
As to the difference between the two sets, the C++ standard mandates minimum ranges for each, and that long long is at least as wide as long.
The ...
How to Customize a Progress Bar In Android
...set the progressDrawable property in customprogressbar.xml (drawable)
You can do this in the XML file or in the Activity (at run time).
Do the following in your XML:
<ProgressBar
android:id="@+id/progressBar1"
style="?android:attr/progressBarStyleHorizontal"
android:progressDrawabl...
Conditional Variable vs Semaphore
...e that a piece of code is atomic, put a lock around it. You could theoretically use a binary semaphore to do this, but that's a special case.
Semaphores and condition variables build on top of the mutual exclusion provide by locks and are used for providing synchronized access to shared resources....
Symbolicating iPhone App Crash Reports
I'm looking to try and symbolicate my iPhone app's crash reports.
25 Answers
25
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CSS z-index paradox flower
I would like to create a paradoxical effect via the z-index CSS property.
6 Answers
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When should I use the new keyword in C++?
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Method 1 (using new)
Allocates memory for the object on the free store (This is frequently the same thing as the heap)
Requires you to explicitly delete your object later. (If you don't delete it, you could create a memory leak)
Memory stays alloca...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
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使用服务器在建立连接时传输的 CA 签名证书。
TrustedCertFile - 受信任的证书文件
可选：受信任的证书文件的名称。
TruststoreFile - 信任库文件
可选：信任库文件的名称。
TruststorePassword - 信...