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Test a string for a substring [duplicate]
Is there an easy way to test a Python string "xxxxABCDyyyy" to see if "ABCD" is contained within it?
2 Answers
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【解决】File does not reside within any path specified using proto_pat...
...pecified-using-proto-path使用protoc编译 proto文件时报错： main test test proto: File does not reside within any path specified using --proto_path (or -I) You must specify 使用protoc编译.proto文件时报错：
../main/test/test.proto: File does not reside within any path spec...
Passing properties by reference in C#
...
void Main()
{
var person = new Person();
person.Name = GetString("test", person.Name);
Debug.Assert(person.Name == "test");
}
2. Delegate
void GetString(string input, Action<string> setOutput)
{
if (!string.IsNullOrEmpty(input))
{
setOutput(input);
}
}
void...
Efficient SQL test query or validation query that will work across all (or most) databases
Many database connection pooling libraries provide the ability to test their SQL connections for idleness. For example, the JDBC pooling library c3p0 has a property called preferredTestQuery , which gets executed on the connection at configured intervals. Similarly, Apache Commons DBCP has valid...
Handling colon in element ID with jQuery
We are not able to access the div element with ID "test: abc" in JS code using jQuery.
9 Answers
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What’s the difference between ScalaTest and Scala Specs unit test frameworks?
Both are BDD (Behavior Driven Development) capable unit test frameworks for Scala written in Scala. And Specs is built upon may also involve the ScalaTest framework. But what does Specs offer ScalaTest doesn't? What are the differences?
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Plotting two variables as lines using ggplot2 on the same graph
...all number of variables, you can build the plot manually yourself:
ggplot(test_data, aes(date)) +
geom_line(aes(y = var0, colour = "var0")) +
geom_line(aes(y = var1, colour = "var1"))
share
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Test if a variable is set in bash when using “set -o nounset”
...
echo 'empty but defined'
else
echo 'unset'
fi
}
Test:
$ unset WHATEVER
$ check
unset
$ WHATEVER=
$ check
empty but defined
$ WHATEVER=' '
$ check
not empty
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imp...
Delete local Git branches after deleting them on the remote repo
...es the delete.
For example:
someUsr@someHost:~/repo$ git branch -a
basic-testing
integration-for-tests
* master
origin
playground-for-tests
test-services
remotes/origin/HEAD -> origin/master
remotes/origin/basic-testing
remotes/origin/master
remotes/origin/test-services
someUsr@someHost:~/repo...
Is null check needed before calling instanceof?
...y good question indeed. I just tried for myself.
public class IsInstanceOfTest {
public static void main(final String[] args) {
String s;
s = "";
System.out.println((s instanceof String));
System.out.println(String.class.isInstance(s));
s = null;
...