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Breaking out of a nested loop
...
{
for (int j = 0; j < 100; j++)
{
goto Foo; // yeuck!
}
}
Foo:
Console.WriteLine("Hi");
vs:
// anon-method
Action work = delegate
{
for (int x = 0; x < 100; x++)
{
for (int y = 0; y < 100; y++)
{
return;...
Replace multiple strings with multiple other strings
... str;
}
//testing...
var str = "bat, ball, cat";
var map = {
'bat' : 'foo',
'ball' : 'boo',
'cat' : 'bar'
};
var new = replaceAll(str, map);
//result: "foo, boo, bar"
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improve t...
HTTP GET Request in Node.js Express
...rest')
// GET a resource
unirest.get('http://httpbin.org/get')
.query({'foo': 'bar'})
.query({'stack': 'overflow'})
.end(function(res) {
if (res.error) {
console.log('GET error', res.error)
} else {
console.log('GET response', res.body)
}
})
// POST a form with an a...
Changing variable names in Vim
...n a small change.
My end change looks something like this
:'a,'bs/\<foo\>/bar
I would love to be wrong about there not being a refactoring tool for VIM but I haven't seen it.
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i...
Determine if a function exists in bash
...function, external command, or just not defined. Example:
$ LC_ALL=C type foo
bash: type: foo: not found
$ LC_ALL=C type ls
ls is aliased to `ls --color=auto'
$ which type
$ LC_ALL=C type type
type is a shell builtin
$ LC_ALL=C type -t rvm
function
$ if [ -n "$(LC_ALL=C type -t rvm)" ] &&a...
Stored procedure slow when called from web, fast from Management Studio
...null)
begin
select @dateTo = GETUTCDATE()
end
select foo
from dbo.table
where createdDate < @dateTo
end
After I changed it to
create procedure dbo.procedure
@dateTo datetime = null
begin
declare @to datetime = coalesce(@dateTo, getutcdate())
select fo...
Why is there an injected class name?
...class name can be used without a template argument list, e.g. using simply Foo instead of the full template-id Foo<blah, blah, blah>, so it's easy to refer to the current instantiation. See DR 176 for a change between C++98 and C++03 that clarified that.
The idea of the injected class name wa...
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
... in data.table does all that in one step for
you. When you write X[Y,sum(foo*bar)], data.table automatically inspects the j expression to see which columns it uses. It will only subset those columns only; the others are ignored. Memory is only created for the columns the j uses, and Y columns enjo...
Allowed characters in Linux environment variable names
... by ConfigMap
test.yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: foo-config
data:
"xx.ff-bar": "1234"
---
apiVersion: v1
kind: Pod
metadata:
name: foobar
spec:
containers:
- name: test-container
image: k8s.gcr.io/busybox
command: [ "/bin/sh", "-c", "env" ]
envF...
Boolean vs boolean in Java
...-definable classes using another keyword class)
or in other words
boolean foo = true;
vs.
Boolean foo = true;
The first "thing" (type) can not be extended (subclassed) and not without a reason. Effectively Java terminology of primitive and wrapping classes can be simply translated into inline...