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java get file size efficiently
...with the code below:
For runs = 1 and iterations = 1 the URL method is fastest most times followed by channel. I run this with some pause fresh about 10 times. So for one time access, using the URL is the fastest way I can think of:
LENGTH sum: 10626, per Iteration: 10626.0
CHANNEL sum: 5535, per...
How to check if there's nothing to be committed in the current branch?
...
An alternative to testing whether the output of git status --porcelain is empty is to test each condition you care about separately. One might not always care, for example, if there are untracked files in the output of git status.
For exampl...
Does use of final keyword in Java improve the performance?
...le below are concatenated statically (at compile time).
public class FinalTest {
public static final int N_ITERATIONS = 1000000;
public static String testFinal() {
final String a = "a";
final String b = "b";
return a + b;
}
public static String testNonFina...
What's is the difference between train, validation and test set, in neural networks?
...ntinue training
Once you're finished training, then you run against your testing set and verify that the accuracy is sufficient.
Training Set: this data set is used to adjust the weights on the neural network.
Validation Set: this data set is used to minimize overfitting. You're not adjusting th...
Count the number of occurrences of a string in a VARCHAR field?
...able(TITLE VARCHAR(100), DESCRIPTION VARCHAR(100))
INSERT INTO @t SELECT 'test1', 'value blah blah value'
INSERT INTO @t SELECT 'test2','value test'
INSERT INTO @t SELECT 'test3','test test test'
INSERT INTO @t SELECT 'test4','valuevaluevaluevaluevalue'
SELECT TITLE,DESCRIPTION,Count = (LEN(D...
How do you append to an already existing string?
I want append to a string so that every time I loop over it will add say "test" to the string.
7 Answers
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How can we run a test method with multiple parameters in MSTest?
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It is unfortunately not supported in older versions of MSTest. Apparently there is an extensibility model and you can implement it yourself. Another option would be to use data-driven tests.
My personal opinion would be to just stick with NUnit though...
As of Visual Studio 2012, u...
Algorithm to detect intersection of two rectangles?
...
The standard method would be to do the separating axis test (do a google search on that).
In short:
Two objects don't intersect if you can find a line that separates the two objects. e.g. the objects / all points of an object are on different sides of the line.
The fun thing...
pytest: assert almost equal
How to do assert almost equal with py.test for floats without resorting to something like:
7 Answers
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Declaring variables inside or outside of a loop
...milar) examples:
Let's look at 1. example:
package inside;
public class Test {
public static void main(String[] args) {
while(true){
String str = String.valueOf(System.currentTimeMillis());
System.out.println(str);
}
}
}
after javac Test.java, jav...