大约有 44,000 项符合查询结果（耗时：0.0419秒） [XML]
How to access object attribute given string corresponding to name of that attribute
...ay prefer to use a generalized getter method like so:
class Test:
def __init__(self):
self.attr1 = 1
self.attr2 = 2
def get(self,varname):
return getattr(self,varname)
t = Test()
x = "attr1"
print ("Attribute value of {0} is {1}".format(x, t.get(x)))
Outputs:
At...
Sort Go map values by keys
... }
sort.Ints(keys)
// To perform the opertion you want
for _, k := range keys {
fmt.Println("Key:", k, "Value:", m[k])
}
}
Output:
Key: 0 Value: b
Key: 1 Value: a
Key: 2 Value: c
share
...
How do I use installed packages in PyCharm?
...ere you can import the module.
>> import gnuradio
>> gnuradio.__file__
"path/to/gnuradio"
Most commonly you'll have a folder structure like this:
foobarbaz/
gnuradio/
__init__.py
other_file.py
You want to add foobarbaz to the path here.
...
Backbone.js get and set nested object attribute
...del({
a: {b: 1, c: 2}
});
You can set the attribute "a.b" with:
var _a = _.omit(nestedAttrModel.get('a')); // from underscore.js
_a.b = 3;
nestedAttrModel.set('a', _a);
Now your model will have attributes like:
{a: {b: 3, c: 2}}
with the "change" event fired.
...
jQuery UI: Datepicker set year range dropdown to 100 years
...ed):
for (a.yearshtml+='<select class="ui-datepicker-year" onchange="DP_jQuery_'+y+".datepicker._selectMonthYear('#"+
a.id+"', this, 'Y');\" onclick=\"DP_jQuery_"+y+".datepicker._clickMonthYear('#"+a.id+"');\">";b<=g;b++)
a.yearshtml+='<option value="'+b+'"'+(b==c?' selected="selected"...
Specify sudo password for Ansible
...mmand line via --extra-vars "name=value". Sudo password variable is ansible_sudo_pass. So your command would look like:
ansible-playbook playbook.yml -i inventory.ini --user=username \
--extra-vars "ansible_sudo_pass=yourPassword"
Update 2017: Ansible 2.2.1.0 now use...
libpthread.so.0: error adding symbols: DSO missing from command line
....o \
lib/libopenvswitch.a \
/home/jyyoo/src/dpdk/build/lib/librte_eal.a /home/jyyoo/src/dpdk/build/lib/libethdev.a /home/jyyoo/src/dpdk/build/lib/librte_cmdline.a /home/jyyoo/src/dpdk/build/lib/librte_hash.a /home/jyyoo/src/dpdk/build/lib/librte_lpm.a /home/jyyoo/src/dpdk/build/lib/librte_...
Thread Safety in Python's dictionary
...mic operations, there are corner cases where they aren’t atomic (e.g. if __hash__ or __eq__ are implemented as Python methods) and their atomicity should not be relied upon. Neither should you rely on atomic variable assignment (since this in turn depends on dictionaries).
Use the Queue module's Q...
Detect Browser Language in PHP
...
why dont you keep it simple and clean
<?php
$lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
$acceptLang = ['fr', 'it', 'en'];
$lang = in_array($lang, $acceptLang) ? $lang : 'en';
require_once "index_{$lang}.php";
?>
...
JavaScript and Threads
...rial.
Here is a simple example with 3 Web Worker threads that count to MAX_VALUE and show the current computed value in our page:
//As a worker normally take another JavaScript file to execute we convert the function in an URL: http://stackoverflow.com/a/16799132/2576706
function getScriptPat...