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querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...at is a member of the foo class: .foo li
document.querySelector("#view:_id1:inputText1") it doesn't work. But writing document.getElementById("view:_id1:inputText1") works. Any ideas why?
The : character has special meaning inside a selector. You have to escape it. (The selector escape charact...
Can I do a synchronous request with volley?
...d. Can I do a request using volley in that same thread, so that callbacks happen synchronously?
8 Answers
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Is there a way to use shell_exec without waiting for the command to complete?
...
How about adding.
"> /dev/null 2>/dev/null &"
shell_exec('php measurePerformance.php 47 844 email@yahoo.com > /dev/null 2>/dev/null &');
Note this also gets rid of the stdio and stderr.
sh...
How to set username and password for SmtpClient object in .NET?
... authenticated SMTP accounts, I resorted to using the SMTP account only if app key values are supplied in web.config file.
Here is the VB code:
sSMTPUser = ConfigurationManager.AppSettings("SMTPUser")
sSMTPPassword = ConfigurationManager.AppSettings("SMTPPassword")
If sSMTPUser.Trim.Length > 0...
Download a file by jQuery.Ajax
...
Or alternatively use window.open(<url>, '_blank'); to ensure that the download won't replace your current browser content (regardless of the Content-Disposition header).
– Christopher King
Aug 15 '14 at 15:38
...
std::unique_ptr with an incomplete type won't compile
I'm using the pimpl-idiom with std::unique_ptr :
6 Answers
6
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Android layout replacing a view with another view on run time
... fragments. I suggest to file a new question and/or take a look at android.app.FragmentTransaction and it's replace() method.
– lupz
Jul 11 '14 at 9:13
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Generating a random & unique 8 character string using MySQL
...tions
if the seed is an INT32
So we use @AndreyVolk's or @GordonLinoff's approach, but with a seeded RAND:
e.g. Assumin id is an AUTO_INCREMENT column:
INSERT INTO vehicles VALUES (blah); -- leaving out the number plate
SELECT @lid:=LAST_INSERT_ID();
UPDATE vehicles SET numberplate=concat(
su...
Run command on the Ansible host
... you just want to run a single task on your Ansible host, you can use local_action to specify that a task should be run locally. For example:
- name: an example playbook
hosts: webservers
tasks:
- ...
- name: check out a git repository
local_action: git repo=git://foosball.example.org/...
What are the differences between a UIView and a CALayer?
...ed before Core Animation existed, UIViews are intended to be lightweight wrappers around these CALayers.
As I describe in the similar question "When to use CALayer on the Mac/iPhone?", working directly with CALayers doesn't give you significant performance advantages over UIViews. One of the reaso...