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How to hash a string into 8 digits?
... invocations. See here:
$ python -V
Python 2.7.5
$ python -c 'print(hash("foo"))'
-4177197833195190597
$ python -c 'print(hash("foo"))'
-4177197833195190597
$ python3 -V
Python 3.4.2
$ python3 -c 'print(hash("foo"))'
5790391865899772265
$ python3 -c 'print(hash("foo"))'
-8152690834165248934
This...
Why does git revert complain about a missing -m option?
...
Say the other guy created bar on top of foo, but you created baz in the meantime and then merged, giving a history of
$ git lola
* 2582152 (HEAD, master) Merge branch 'otherguy'
|\
| * c7256de (otherguy) bar
* | b7e7176 baz
|/
* 9968f79 foo
Note: git lola i...
filter items in a python dictionary where keys contain a specific string
...2.7
results = map(some_function, [(k,v) for k,v in a_dict.iteritems() if 'foo' in k])
Now the result will be in a list with some_function applied to each key/value pair of the dictionary, that has foo in its key.
If you just want to deal with the values and ignore the keys, just change the list ...
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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