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How to pass object with NSNotificationCenter
... to send all kind of objects. Otherwise you might encounter random crashes etc.
– Johan Karlsson
Feb 17 '16 at 12:58
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How to run only one task in ansible playbook?
... tags:
- packages
- template: src=templates/src.j2 dest=/etc/foo.conf
tags:
- configuration
If you wanted to just run the “configuration” and “packages” part of a very long playbook, you could do this:
ansible-playbook example.yml --tags "configuration,pac...
How to close Android application?
...ed, it would be completely bugged out my GL textures were all glitched out etc. So after investigating, thinking it was AndEngine, I came to realize it had to be something that was going wrong because android was trying to preserve the process when I was desiring to exit it. All the comments "oh you...
Why do we need the “event” keyword while defining events?
...yone can remove other people's event handlers, raise the event themselves, etc - it's an encapsulation disaster.
For more on events (and delegates) read my article on this topic. (At some point I need to update this for C# 4, which changes field-like events very slightly. The gist of it is still co...
Qt events and signal/slots
...e the button should function like a normal QPushButton (it can be clicked, etc). In Qt this is done by creating your own little reusable "component" (subclass of QPushButton), which reimplements QWidget::keyPressEvent. Pseudocode:
class NumericButton extends QPushButton
private void addToNumber...
Should I use PATCH or PUT in my REST API?
... 406 Not Acceptable
PUT /groups/{group id} { "attributes": { "name": .... etc. "status": "active" } }
response: 201 Created or 200 OK, depending on whether we made a new one.
A very important requirement is that PUT is idempotent: if you require side-effects when updating a Group (or changing an ...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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12. 一个验证passwd文件有效性的例子
$ cat /etc/passwd | awk -F: '\ NF != 7{\ printf("line %d,does not have 7 fields:%s\n",NR,$0)}\ $1 !~ /[A-Za-z0-9]/{printf("line %d,non alpha and numeric user id:%d: %s\n,NR,$0)}\ $2 == "*" {printf("line %d, no password: %s\n",NR,$0)}'...
How do I escape a reserved word in Oracle?
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Prevent any form of page refresh using jQuery/Javascript
...tions. Such as text notifications to groups, print jobs, farming of data, etc.
If the user was on a page that was saying "Please wait... Performing some HUGE job that could take some time.". They were more likely to hit REFRESH and this would be BAD!
WHY? Because it would trigger more slow job...