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指定组件的大小 · App Inventor 2 中文网
...大小
When you create a visible component in the designer, you are typically given the opportunity to specify its height and width. There are four choices:
Automatic: Size is chosen by the system
Fill parent: Size is chosen to fill the space available.
Size specified in pixels
Size in p...
Strings as Primary Keys in SQL Database [closed]
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Technically yes, but if a string makes sense to be the primary key then you should probably use it. This all depends on the size of the table you're making it for and the length of the string that is going to be the primary key (lo...
Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced f
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In my case it occurred because i have accidentally removed the JRE while importing the project [my fault]. This gave me a clue to fix the issue.
– GayashanNA
Apr 22 '14 at 6:50
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Form inline inside a form horizontal in twitter bootstrap?
...Key">Key</label>
<input type="text" class="input-small" placeholder="Key" id="inputKey">
<label for="inputValue">Value</label>
<input type="password" class="input-small" placeholder="Value" id="inputValue">
</div>
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Open directory dialog
...ders. Overall, I'd give it a 0 out of 5 and recommend nobody ever use it. Except that there was no reasonable alternative until Windows Vista came out with the much better folder dialog. There are good free libraries that show the good dialog on Vista+, and the bad one on XP.
–...
Loader lock error
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If I run the project as Native debugging, with all exceptions on default (reset all), the debug window shows <mda:msg xmlns:mda="schemas.microsoft.com/CLR/2004/10/mda"> <!-- Attempting managed execution inside OS Loader lock.... etc --> <mda...
How to escape a JSON string containing newline characters using JavaScript?
...ing new line character. This has to be escaped and then posted using AJAX call. Can any one suggest a way to escape the string with JavaScript. I am not using jQuery.
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How can I get “Copy to Output Directory” to work with Unit Tests?
... folder and then the tests are executed. The issue I'm having is that not all the files in the Debug/bin directory are copied to the TestResults project.
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Regex to get string between curly braces
...e original poster: If it has to be a regex, use /{([^}]*)}/ if you want to allow empty strings, or /{([^}]+)}/ if you want to only match when there is at least one character between the curly braces. Breakdown:
/: start the regex pattern
{: a literal curly brace
(: start capturing
[: start ...
Who sets response content-type in Spring MVC (@ResponseBody)
...operty>
</bean>
However, using this method you have to redefine all HttpMessageConverters, and also it doesn't work with <mvc:annotation-driven />.
So, perhaps the most convenient but ugly method is to intercept instantiation of the AnnotationMethodHandlerAdapter with BeanPostProce...