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What is the difference between Class Path and Build Path
...a compiler and the Java runtime where to find compiled classes. It is typically a sequence of JAR file names and directory names. The classpath used by the compiler and the runtime system don't have to be the same, but they typically should be, especially for a small project.
Buildpath is not sta...
custom listview adapter getView method being called multiple times, and in no coherent order
..., there is absolutely no guarantee on the order in which getView() will be called nor how many times. In your particular case you are doing the worst thing possible with a ListView by giving it a height=wrap_content. This forces ListView to measure a few children out of the adapter at layout time, t...
Javascript How to define multiple variables on a single line?
... So if you change just one of those variables, and wanted them to act individually you will not get what you want because they are not individual objects.
There is also a downside in multiple assignment, in that the secondary variables become globals, and you don't want to leak into the global name...
Mysql: Select rows from a table that are not in another
...o the subselect based on a column name, not *.
For example, if you had an id field common to both tables, you could do:
SELECT * FROM Table1 WHERE id NOT IN (SELECT id FROM Table2)
Refer to the MySQL subquery syntax for more examples.
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how to disable DIV element and everything inside [duplicate]
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disabled isn't a valid property for div.
– James Donnelly
Mar 21 '13 at 18:34
17
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Java Swing revalidate() vs repaint()
...on where I often want to replace the contents of a JPanel. To do this, I'm calling removeAll() , then adding my new content, then calling revalidate() .
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解决：Run-Time Check Failure #0，The value of ESP was not properly sav...
...eck Failure #0 - The value of ESP was not properly saved across a function call. ...调用DLL函数，出现错误
Run-Time Check Failure #0 - The value of ESP was not properly saved across a function call. This is usually a result of calling a function declared with one calling convention with a f...
c++11 std::call_once只调用一次函数，类似单例模式 - C/C++ - 清泛网 - 专...
c++11 std::call_once只调用一次函数，类似单例模式std_call_oncestd::call_once 保证函数或者一些代码段在并发或者多线程的情况下，始终只会被执行一次，Demo如下： include <iostream> include <thread>static std::once_flag g_once_flag std::call_once 保证...
Class method differences in Python: bound, unbound and static
...In Python, there is a distinction between bound and unbound methods.
Basically, a call to a member function (like method_one), a bound function
a_test.method_one()
is translated to
Test.method_one(a_test)
i.e. a call to an unbound method. Because of that, a call to your version of method_two...
Timeout on a function call
I'm calling a function in Python which I know may stall and force me to restart the script.
18 Answers
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