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Best way to get child nodes
...y best, I mean: most cross-browser compatible, fastest, most comprehensive and predictable when it comes to behaviour. A list of methods/properties I use as aliases:
...
Setup RSpec to test a gem (not Rails)
... used Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *.gemspec manually.
I also added s.add_development_dependency "rspec", ">= 2.0.0" to gemspec and did a bundle install .
...
Show data on mouseover of circle
...ement to each circle, as the browser will take care of showing the tooltip and you don't need the mousehandler. The code would be something like
vis.selectAll("circle")
.data(datafiltered).enter().append("svg:circle")
...
.append("svg:title")
.text(function(d) { return d.x; });
If you...
__lt__ instead of __cmp__
...s ComparableMixin:
def __eq__(self, other):
return not self<other and not other<self
def __ne__(self, other):
return self<other or other<self
def __gt__(self, other):
return other<self
def __ge__(self, other):
return not self<other
def __le__(self, other):...
Elastic search, multiple indexes vs one index and types for different data sets?
I have an application developed using the MVC pattern and I would like to index now multiple models of it, this means each model has a different data structure.
...
UITextField - capture return button event
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?
Can one develop an entire application using JavaFX and run it on iOS, Android or Windows Phone 8, without writing platform-specific code?
...
bash HISTSIZE vs. HISTFILESIZE?
...
Short answer:
HISTSIZE is the number of lines or commands that are stored in memory in a history list while your bash session is ongoing.
HISTFILESIZE is the number of lines or commands that (a) are allowed in the history file at startup time of a session, and (b) are stored i...
How can I discard remote changes and mark a file as “resolved”?
I have some local files, I pull from remote branch and there are conflicts. I know that I would like to keep my local changes and ignore the remote changes causing conflicts. Is there a command I can use to in effect say "mark all conflicts as resolved, use local"?
...
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...erver Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
在apache日志中显示：
[root@mail ~]# tail -f /usr/local/httpd/logs/error_log
sh: /usr/sbin/sendmail: No such file or directory
sh: /usr/sbin/sendmail: No such file or dir...