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Drop all tables whose names begin with a certain string
How can I drop all tables whose names begin with a given string?
14 Answers
14
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How do I find out what keystore my JVM is using?
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Your keystore will be in your JAVA_HOME---> JRE -->lib---> security--> cacerts. You need to check where your JAVA_HOME is configured, possibly one of these places,
Computer--->Advanced --> Environment variables---> JAVA_HOME
Your server ...
Must JDBC Resultsets and Statements be closed separately although the Connection is closed afterward
...ve the following code, is it necessary to close the Resultset and the Statement?
12 Answers
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Fixed width buttons with Bootstrap
... that it expands to the parent's width.
If the parent is a fixed width element the button will expand to take all width. You can apply existing markup to the container to ensure fixed/fluid buttons take up only the required space.
<div class="span2">
<p><button class="btn btn-primar...
Moq: How to get to a parameter passed to a method of a mocked service
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You can use the Mock.Callback-method:
var mock = new Mock<Handler>();
SomeResponse result = null;
mock.Setup(h => h.AnsyncHandle(It.IsAny<SomeResponse>()))
.Callback<SomeResponse>(r => result = r);
// do your test
new Foo(moc...
How to do scanf for single char in C [duplicate]
...input stream (from a previous entry, for example) the scanf call will consume it immediately.
One way around the problem is to put a blank space before the conversion specifier in the format string:
scanf(" %c", &c);
The blank in the format string tells scanf to skip leading whitespace, and ...
Forward declaration of a typedef in C++
Why won't the compiler let me forward declare a typedef?
10 Answers
10
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Byte array to image conversion
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You are writing to your memory stream twice, also you are not disposing the stream after use.
You are also asking the image decoder to apply embedded color correction.
Try this instead:
using (var ms = new MemoryStream(byteArrayIn))
{
return I...
How to capture UIView to UIImage without loss of quality on retina display
...raphicsBeginImageContext to UIGraphicsBeginImageContextWithOptions (as documented on this page). Pass 0.0 for scale (the third argument) and you'll get a context with a scale factor equal to that of the screen.
UIGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting...
What is the shortcut in IntelliJ IDEA to find method / functions?
...that Ctrl + N is to find classes and it is very useful. But what about methods?
16 Answers
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