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Batch not-equal (inequality) operator
...mally you should turn them on with setlocal, but for a simple if not equal test, just use "if not", it goes back to the good old DOS days
– Anders
Sep 14 '09 at 20:27
add a co...
How to grep (search) committed code in the Git history
...dded, removed, or changed.
Take this commit as an example:
diff --git a/test b/test
index dddc242..60a8ba6 100644
--- a/test
+++ b/test
@@ -1 +1 @@
-hello hello
+hello goodbye hello
Because the number of times "hello" appears in the file is the same before and after this commit, it will not mat...
Unix - create path of folders and file
...
@BЈовић Yes. (I do try to test things before I post them.)
– Jonathon Reinhart
Oct 10 '13 at 7:28
...
How to use npm with node.exe?
...d JS options...
async/await - async functions, supported via babel
For testing, I reach for the following tools...
mocha - testing framework
chai - assertion library, I like chai.expect
sinon - spies and stubs and shims
sinon-chai - extend chai with sinon's assertion tools
babel-istanbul - cov...
How do I check if the mouse is over an element in jQuery?
...You can also use this answer : https://stackoverflow.com/a/6035278/8843 to test if the mouse is hover an element :
$('#test').click(function() {
if ($('#hello').is(':hover')) {
alert('hello');
}
});
share
...
Is it possible to decompile a compiled .pyc file into a .py file?
... recent tool, aiming to unify earlier forks and focusing on automated unit testing. The GitHub page has more details.
if you use Python 3.7+, you could also try decompile3, a fork of Uncompyle6 focusing on 3.7 and higher.
do raise GitHub issues on these projects if needed - both run unit test suit...
Any reason to prefer getClass() over instanceof when generating .equals()?
...an treat objects of different type as non-equal by means of the getClass() test. The examples above illustrated nicely that implementations of equals() using getClass() are generally more robust than those implementations using instanceof .
The instanceof test is correct only for final classes or if...
Compare two Byte Arrays? (Java)
...ut I was unable to find a low level efficient function to perform equality test ranges. I had to whip up my own, if anyone needs it:
public static boolean ArraysAreEquals(
byte[] first,
int firstOffset,
int firstLength,
byte[] second,
int secondOffset,
int secondLength
) {
if( firstLength...
Why doesn't Java allow to throw a checked exception from static initialization block?
...ver from it.
In most cases, the exception cannot be caught:
public class Test {
static {
int i = 1;
if (i == 1) {
throw new RuntimeException("Bang!");
}
}
public static void main(String[] args) {
try {
// stuff
} catch (T...
MySQL: What's the difference between float and double?
...
Perhaps this example could explain.
CREATE TABLE `test`(`fla` FLOAT,`flb` FLOAT,`dba` DOUBLE(10,2),`dbb` DOUBLE(10,2));
We have a table like this:
+-------+-------------+
| Field | Type |
+-------+-------------+
| fla | float |
| flb | float |
| dba ...