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Getting ssh to execute a command in the background on target machine
... be overcome by redirecting all three
I/O streams:
nohup myprogram > foo.out 2> foo.err < /dev/null &
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Change values while iterating
...c main() {
n := Node{[]*Attribute{
&Attribute{"foo", ""},
&Attribute{"href", ""},
&Attribute{"bar", ""},
}}
for _, attr := range n.Attr {
if attr.Key == "href" {
attr.Val = "s...
Looking for jQuery find(..) method that includes the current node
...this.pushStack(r);
};
After the call of the end function it returns the #foo element.
$('#foo')
.findBack('.red')
.css('color', 'red')
.end()
.removeAttr('id');
Without defining extra plugins, you are stuck with this.
$('#foo')
.find('.red')
.addBack('.red')
...
OS X Bash, 'watch' command
...expand parameters before running the script, so in a directory with files "foo" and "bar", you'd run cat foo bar every 2 seconds. What behaviour were you expecting?
– ghoti
Aug 19 '13 at 14:33
...
Breakpoint on property change
... in Firefox, you can watch for changes natively:
>>> var obj = { foo: 42 }
>>> obj.watch('foo', function() { console.log('changed') })
>>> obj.foo = 69
changed
69
However, this will be soon (late 2017) removed.
...
How can you zip or unzip from the script using ONLY Windows' built-in capabilities?
....IO.Compression.FileSystem'; [IO.Compression.ZipFile]::ExtractToDirectory('foo.zip', 'bar'); }"
As Ivan Shilo said, this won't work with PowerShell 2, it requires PowerShell 3 or greater and .NET Framework 4.
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Escape a dollar sign in string interpolation
...
Just double it
scala> val name = "foo"
name: String = foo
scala> s"my.package.$name$$"
res0: String = my.package.foo$
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When should I use a trailing slash in my URL?
...hose without a trailing slash to
denote a file:
http://example.com/foo/ (with trailing slash, conventionally a directory)
http://example.com/foo (without trailing slash, conventionally a file)
Source: Google WebMaster Central Blog - To slash or not to slash
Finally:
A slash at the ...
How to 'bulk update' with Django?
...hould be able to use:
ModelClass.objects.filter(name='bar').update(name="foo")
You can also use F objects to do things like incrementing rows:
from django.db.models import F
Entry.objects.all().update(n_pingbacks=F('n_pingbacks') + 1)
See the documentation.
However, note that:
This won't ...
Python naming conventions for modules
...rcase. This leads to imports like the following:
from nib import Nib
from foo import Foo
from spam.eggs import Eggs, FriedEggs
It's a bit like emulating the Java way. One class per file. But with the added flexibility, that you can allways add another class to a single file if it makes sense.
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