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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...
Pull new updates from original GitHub repository into forked GitHub repository
... Create pull request.
Scroll down and click Merge pull request and finally Confirm merge. If your fork didn’t have any changes, you will be able to merge it automatically.
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How to do an instanceof check with Scala(Test)
I'm trying to incorporate ScalaTest into my Java project; replacing all JUnit tests with ScalaTests. At one point, I want to check if Guice's Injector injects the correct type. In Java, I have a test like this:
...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...he scenes.
Run this demonstration code and examine the result.
function Test-Output {
Write-Output "Hello World"
}
function Test-Output2 {
Write-Host "Hello World" -foreground Green
}
function Receive-Output {
process { Write-Host $_ -foreground Yellow }
}
#Output piped to another ...
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 ...
Sublime Text 3 how to change the font size of the file sidebar?
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@Jails: I can confirm that it does indeed with with ST3.
– dmackerman
Jan 30 '14 at 22:02
13
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How to get a JavaScript object's class?
...}
var obj = new MyObject();
obj.constructor; // MyObject
If you need to confirm the type of an object at runtime you can use the instanceof operator:
obj instanceof MyObject // true
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Git, rewrite previous commit usernames and emails
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fixed for "eval: [[: not found" on ubuntu and add a confirm change-commits = "!f() { VAR1=$1; VAR='$'$1; OLD=$2; NEW=$3; echo \"Are you sure for replace $VAR $OLD => $NEW ?(Y/N)\";read OK;if [ \"$OK\" = 'Y' ] ; then shift 3; git filter-branch --env-filter \"if [ \\\"${VAR...
When does static class initialization happen?
...extual order as defined in the class.
Consider the example:
public class Test {
static String sayHello() {
return a;
}
static String b = sayHello(); // a static method is called to assign value to b.
// but its a has not been initialized yet.
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Docker can't connect to docker daemon
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docker-machine start default
# Regenerate TLS connection certs, requires confirmation
docker-machine regenerate-certs default
# Finally, set env
eval "$(docker-machine env default)"
C) Same as (B), you can also copy and paste the following line to run all of the three commands:
docker-machine ...