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Deprecation warning when using has_many :through :uniq in Rails 4
...:uniq => true, :order => "name", :conditions => "age < 30"
becomes:
has_many :donors, -> { where("age < 30").order("name").uniq }, :through => :donations
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Adding Http Headers to HttpClient
... = new HttpRequestMessage() {
RequestUri = new Uri("http://www.someURI.com"),
Method = HttpMethod.Get,
};
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("text/plain"));
var task = client.SendAsync(request)
.ContinueWith((taskwithmsg) =>
{
var response = tas...
What does java:comp/env/ do?
...tml
At the root context of the namespace
is a binding with the name "comp",
which is bound to a subtree reserved
for component-related bindings. The
name "comp" is short for component.
There are no other bindings at the
root context. However, the root
context is reserved for the fu...
Github: readonly access to a private repo
...
community wiki
2 revs, 2 users 73%pmdj
...
Print variables in hexadecimal or decimal format
... and to set the default output radix setting, see stackoverflow.com/questions/6618670/…
– Chan Kim
Sep 10 '18 at 1:19
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IE8 and JQuery's trim()
...f($.trim($('#group_field').val()) != ''){
More Info:
http://api.jquery.com/jQuery.trim/
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MySql Table Insert if not exist otherwise update
...ed as unsafe. (Bug #11765650, Bug #58637) Bug 58637 description bugs.mysql.com/bug.php?id=58637
– broadband
Sep 2 '14 at 13:28
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What is the difference between origin and upstream on GitHub?
...o add another remote named upstream
git remote add upstream git://github.com/<aUser>/<aRepo.git>
(with aUser/aRepo the reference for the original creator and repository, that you have forked)
You will use upstream to fetch from the original repo (in order to keep your local copy in ...
How do I verify that an Android apk is signed with a release certificate?
...
Use this command, (go to java < jdk < bin path in cmd prompt)
$ jarsigner -verify -verbose -certs my_application.apk
If you see "CN=Android Debug", this means the .apk was signed with the debug key generated by the Android SD...
Why does only the first line of this Windows batch file execute but all three lines execute in a com
I have a batch file that executes three Maven commands, one after the other. Each command can be successfully executed in the script - by itself!. But when I add all three commands to the same file, only the first one executes before the script exits. Any idea why?
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