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Lua string to int
...into a number, and then truncate the number like an (int) cast would do in Java.
Edit: This still works in Lua 5.3, even thought Lua 5.3 has real integers, as math.floor() returns an integer, whereas an operator such as number // 1 will still return a float if number is a float.
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Find the number of columns in a table
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Using JDBC in Java:
String quer="SELECT * FROM sample2 where 1=2";
Statement st=con.createStatement();
ResultSet rs=st.executeQuery(quer);
ResultSetMetaData rsmd = rs.getMetaData();
int NumOfCol=0;
NumOfCol=rsm...
How do I limit task tags to current project in Eclipse?
...to disable specific projects TODO tasks.
In the projects properties open:
Java Compiler > Task Tags
From that page check the option "Enable project specific settings" and remove the TODO entry from the list below, after that the TODO comments from that project won't be shown in Tasks.
You could...
Chain-calling parent initialisers in python [duplicate]
...the definitions are clear though. Python is strong-dynamic. Something like Java is strong-static. PHP is weak-dynamic. Static typing guarantees (within some limits at least) that input parameters are the correct type. Strong typing means that the compiler/runtime will not attempt to coerce the value...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
...UID是不同的，具体可以查看硬件提供的文档或厂商提供的java源码，一般会有提供。
一个硬件UUID示例如下：
UUID分为标准UUID和厂商自定义UUID
标准UUID：由SIG发布，采用UUID基数 + 16位UUID的形式，如心率服务的UUID是0x180D，使...
Android Whatsapp/Chat Examples [closed]
...oblem here is, when i will start the scringo example on android, i become java.lang.RuntimeException: Unable to start activity ComponentInfo{com.scringo.scringosample/com.scringo.scringosample.MainActivity}: android.view.InflateException: Binary XML file line #36: Error inflating class com.scringo....
How do I write outputs to the Log in Android?
...-20025/com.ardakaplan.application I/Application: IN CLASS : (ENApplication.java:29) /// IN METHOD : onCreate
info
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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
...signed to be a high-performance language. (I'm guessing that "faster than Java" was the performance goal.)
That's not to say that certain performance considerations haven't been afforded. Indeed, such features as pointers, stackalloc, and certain optimized framework functions exist largely to boo...
Why can't we autowire static fields in spring?
...y answer the question rather than just voicing an opinion that half of the Java language is a bad idea.
– Warren Dew
May 15 '15 at 15:34
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How to get access to HTTP header information in Spring MVC REST controller?
I am new to web programming in general, especially in Java, so I just learned what a header and body is.
3 Answers
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