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How do I test for an empty JavaScript object?
...N.stringify({});
}
jQuery:
jQuery.isEmptyObject({}); // true
lodash:
_.isEmpty({}); // true
Underscore:
_.isEmpty({}); // true
Hoek
Hoek.deepEqual({}, {}); // true
ExtJS
Ext.Object.isEmpty({}); // true
AngularJS (version 1)
angular.equals({}, {}); // true
Ramda
R.isEmpty({}); //...
Is a colon `:` safe for friendly-URL use?
...oded / sub-delims / ":" / "@"
unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
pct-encoded = "%" HEXDIG HEXDIG
sub-delims = "!" / "$" / "&" / "'" / "(" / ")"
/ "*" / "+" / "," / ";" / "="
Apart from these restrictions, the fragment part has no defined structure beyon...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
... 为了强化这个原则，ØMQ严格地分离拓扑的建立（zmq_bind,zmq_connect）和真实消息的传递（zmq_send,zmq_rev)。 前者同底层的传输地址协同工作，比如IP地址，而后者仅仅使用处理器（文件描述符）去定位具体的拓扑： /* Topology esta...
Log all requests from the python-requests module
...print name into that module:
import logging
import http.client
httpclient_logger = logging.getLogger("http.client")
def httpclient_logging_patch(level=logging.DEBUG):
"""Enable HTTPConnection debug logging to the logging framework"""
def httpclient_log(*args):
httpclient_logger.l...
How do I add options to a DropDownList using jQuery?
...M object.
var myOptions = {
val1 : 'text1',
val2 : 'text2'
};
var _select = $('<select>');
$.each(myOptions, function(val, text) {
_select.append(
$('<option></option>').val(val).html(text)
);
});
$('#mySelect').append(_select.html());
This way we...
In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
...eLocator.html
dependency injection
http://en.wikipedia.org/wiki/Dependency_injection
and a php explanation:
http://components.symfony-project.org/dependency-injection/trunk/book/01-Dependency-Injection
This is a good article about these alternatives:
http://martinfowler.com/articles/injection....
Number of processors/cores in command line
...
The most simplest tool comes with glibc and is called getconf:
$ getconf _NPROCESSORS_ONLN
4
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What is the purpose of double curly braces in React's JSX syntax?
... an object literal inlined in the prop value. It's the same as
var obj = {__html: rawMarkup};
<span dangerouslySetInnerHTML={obj} />
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Putty: Getting Server refused our key Error
...server (Ubuntu 12.04.3 LTS), I have put my public key in ~/.ssh/authorized_keys . The public key is this:
29 Answers
...
How to do a case sensitive search in WHERE clause (I'm using SQL Server)?
...the link:
SELECT 1
FROM dbo.Customers
WHERE CustID = @CustID COLLATE SQL_Latin1_General_CP1_CS_AS
AND CustPassword = @CustPassword COLLATE SQL_Latin1_General_CP1_CS_AS
Or, change the columns to be case sensitive.
sh...