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How do I get the filepath for a class in Python?
...u can use the inspect module, like this:
import inspect
inspect.getfile(C.__class__)
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How to set default values in Rails?
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"Correct" is a dangerous word in Ruby. There's usually more than one way to do anything. If you know you'll always want that default value for that column on that table, setting them in a DB migration file is the easiest way:
class SetDefault < ActiveRecord::Migration
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Eclipse JPA Project Change Event Handler (waiting)
...and... well, let's just say that after you've written enough windows batch scripts, you'll probably start to question if the language was in fact designed by an experimental Microsoft team composed entirely of illiterate drunken chimpanzees with severe ADHD. Or you may just wonder why OOTB Unix supp...
How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
I wrote a very simple test code of printf uint64_t:
3 Answers
3
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jQuery get values of checked checkboxes into array
I am trying to get values of all checkboxes that are currently checked and store them into an array. Here is my code so far:
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Authenticate with GitHub using a token
... your deploy key at integration-time, by adding to your yaml file:
before_script:
- openssl aes-256-cbc -k "$password" -d -a -in my_key.enc -out my_deploy_key
- echo -e "Host github.com\n IdentityFile /path/to/my_deploy_key" > ~/.ssh/config
- echo "github.com ssh-rsa AAAAB3NzaC1yc2EAAAAB...
What's the best way to inverse sort in scala?
...way of changing the sign, if you sort by some numeric value
list.sortBy(- _.size)
More generally, sorting may be done by method sorted with an implicit Ordering, which you may make explicit, and Ordering has a reverse (not the list reverse below)
You can do
list.sorted(theOrdering.reverse)
If...
How to Unit test with different settings in Django?
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EDIT: This answer applies if you want to change settings for a small number of specific tests.
Since Django 1.4, there are ways to override settings during tests:
https://docs.djangoproject.com/en/dev/topics/testing/tools/#overriding-settings
TestCase will have a self.settings context ma...
C/C++获取Windows的CPU、内存、硬盘使用率 - C/C++ - 清泛网 - 专注C/C++及内核技术
...率1.获取Windows系统内存使用率 Win 内存 使用率 DWORD getWin_MemUsage(){MEMORYSTATUS ms;::GlobalMemoryStatus(&ms);return ms.d...1.获取Windows系统内存使用率
//Win 内存 使用率
DWORD getWin_MemUsage()
{
MEMORYSTATUS ms;
::GlobalMemoryStatus(&ms);
return ms.dwMe...
Determine what attributes were changed in Rails after_save callback?
I'm setting up an after_save callback in my model observer to send a notification only if the model's published attribute was changed from false to true. Since methods such as changed? are only useful before the model is saved, the way I'm currently (and unsuccessfully) trying to do so is as fol...