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What should be in my .gitignore for an Android Studio project?
....class
# generated files
bin/
gen/
# Local configuration file (sdk path, etc)
local.properties
# Windows thumbnail db
Thumbs.db
# OSX files
.DS_Store
# Android Studio
*.iml
.idea
#.idea/workspace.xml - remove # and delete .idea if it better suit your needs.
.gradle
build/
.navigation
captures/
...
nvarchar和varchar相互转换、联合查询 - ORACLE - 清泛IT论坛，有思想、有深度
...后由 zqp2013 于 2015-2-27 16:42 编辑
场景：联合查询（union all）Oracle两张表，同一组字段的数据类型不一致，分别是nvarchar和varchar。
这时联合查询报错如下：ora12704：字符集不匹配。
解决方法：需要对数据类型进行转换。
Specif...
Using Django time/date widgets in custom form
...e AdminDateWidget / AdminTimeWidget / AdminSplitDateTime (replace 'mydate' etc with the proper field names from your model):
from django import forms
from my_app.models import Product
from django.contrib.admin import widgets
class ProductForm(forms.ModelForm)...
PHP and Enumerations
...ract class DaysOfWeek
{
const Sunday = 0;
const Monday = 1;
// etc.
}
$today = DaysOfWeek::Sunday;
However, other use cases may require more validation of constants and values. Based on the comments below about reflection, and a few other notes, here's an expanded example which may be...
How do I view the SQL generated by the Entity Framework?
... You won't get SQL for queries ending with .Single(), .Count(), .Any(), etc. that way.
– springy76
Feb 27 '13 at 12:31
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How exactly does __attribute__((constructor)) work?
...w would that work?) Instead, on platforms using ELF binary format (Linux, etc.), the constructors and destructors are referenced in the .ctors and .dtors sections of the header. True, in the old days, functions named init and fini would be run on dynamic library load and unload if they existed, bu...
Is errno thread-safe?
...here a piece of documentation that indicates what standard (ie: C99, ANSI, etc) or at least which compilers (ie: GCC version and onward) that support this feature, and whether or not it is a default? Thank you.
– Cloud
Aug 25 '14 at 15:41
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How to use transactions with dapper.net?
...o (stackoverflow.com/a/20047975/444469) - DoYouDapperWork (Execute, Query, etc...) needs the transaction in the parameters.
– Matthieu
Jul 18 '18 at 18:03
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How to specify different Debug/Release output directories in QMake .pro file
...d and a release; you might have builds with different optimization levels, etc. The debug/release dichotomy is best left to rest in peace.
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How to lock orientation during runtime
... This works great. That will get the current orientation. getResources().getConfiguration().orientation
– Jared
Mar 2 '10 at 21:16
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