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Build android release apk on Phonegap 3.x CLI
... It seems that, being specific, this is for phonegap 3.0.x to 3.3.x, from 3.4.x and ahead this may vary.
– Guillermo Gutiérrez
Jun 1 '14 at 17:52
...
GOBIN not set: cannot run go install
...ckage hello: cannot find package "hello" in any of:
/opt/go/src/hello (from $GOROOT)
/home/ubuntu/work/src/hello (from $GOPATH)
No matter what directory I was in:
nate:~/work/src/dir $ cd hello
nate:~/work/src/dir/hello $ go install hello.go
go install: no install location for .go files ...
Python Empty Generator Function
... Python 3.3 and above (as suggested by DSM), this:
def empty():
yield from ()
The presence of the yield keyword makes it clear at the briefest glance that this is just another generator function, exactly like all the others. It takes a bit more time to see that the iter(()) version is doing t...
How to parse JSON in Python?
...Sometimes your json is not a string. For example if you are getting a json from a url like this:
j = urllib2.urlopen('http://site.com/data.json')
you will need to use json.load, not json.loads:
j_obj = json.load(j)
(it is easy to forget: the 's' is for 'string')
...
PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
... practice to declare "Property" access type is to move ALL the annotations from the member properties to the corresponding getters. A big word of caution is not to mix "Field" and "Property" access types within the entity class otherwise the behavior is undefined by the JSR-317 specifications.
...
Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind
...or theclick event before it proceeds. Why not just get the href attribute from the link and manually change the page location?
window.location.href = $('a').attr('href');
EDIT: Here is why it doesn't click through, from the trigger function, jQuery source for version 1.3.2:
// Handle triggeri...
Which is preferred: Nullable.HasValue or Nullable != null?
...t itself that can equal null.
Likewise, we would get a compile time error from:
int? val = new int?();
val.Value = null;
not to mention that val.Value is a read-only property anyway, meaning we can't even use something like:
val.Value = 3;
but again, polymorphous overloaded implicit conversio...
How can I properly handle 404 in ASP.NET MVC?
...
The code is taken from http://blogs.microsoft.co.il/blogs/shay/archive/2009/03/06/real-world-error-hadnling-in-asp-net-mvc-rc2.aspx and works in ASP.net MVC 1.0 as well
Here's how I handle http exceptions:
protected void Application_Error(o...
How to find out which processes are using swap space in Linux?
...not provide an exact answer to the problem as pointed out in the comments. From the htop FAQ:
It is not possible to get the exact size of used swap space of a
process. Top fakes this information by making SWAP = VIRT - RES, but
that is not a good metric, because other stuff such as video mem...
Cross-Domain Cookies
...
Yes, it is absolutely possible to get the cookie from domain1.com by domain2.com. I had the same problem for a social plugin of my social network, and after a day of research I found the solution.
First, on the server side you need to have the following headers:
header("A...