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How does Duff's device work?
...nion that is the key to understanding this code.
– Richard Chambers
Apr 20 '13 at 23:03
3
Am I mi...
What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?
...e stored as compact varints / float64, and only blob and text is stored as strings
– phiresky
May 17 '19 at 10:12
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How do I execute a string containing Python code in Python?
How do I execute a string containing Python code in Python?
14 Answers
14
...
discuz插件开发新手入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...成1后 工具->清理缓存 然后刷新下页面就出现好多 类似string global_usernav_extra1的东西 这就是锚点，也是插件可以利用的点。
好了下面开始做插件：
后台 ->应用 ->设计新插件
提交后 请在插件管理中 启用即可
然后点击 设计...
Non-Singleton Services in AngularJS
...stancedService){
var instanceA = new InstancedService.Instance('A','string'),
instanceB = new InstancedService.Instance('B','object');
console.log(angular.equals(instanceA, instanceB));
});
JsFiddle
Updated
Consider the following request for non-singleton services....
method overloading vs optional parameter in C# 4.0 [duplicate]
...e solution like this,
///Base foo method
public void DoFoo(int a, long b, string c)
{
//Do something
}
/// Foo with 2 params only
public void DoFoo(int a, long b)
{
/// ....
DoFoo(a, b, "Hello");
}
public void DoFoo(int a)
{
///....
DoFoo(a, 23, "Hello");
}
.....
With opti...
ASP.NET MVC - Set custom IIdentity or IPrincipal
...ce
interface ICustomPrincipal : IPrincipal
{
int Id { get; set; }
string FirstName { get; set; }
string LastName { get; set; }
}
CustomPrincipal
public class CustomPrincipal : ICustomPrincipal
{
public IIdentity Identity { get; private set; }
public bool IsInRole(string role) ...
minimum double value in C/C++
...ion represented by a single character in such a long expression, where the string even says "max", is sure to get someone sooner or later. Either it's stored in a descriptive variable, or use -1 * ... to make it a bit clearer.
– Filip Haglund
Jan 2 '17 at 23:34...
Removing multiple keys from a dictionary safely
...staggering number of people appear unbothered by this :) I don't mind the extra line for existence checking personally, and it's significantly more readable unless you already know about pop(). On the other hand if you were trying to do this in a comprehension or inline lambda this trick could be ...
Parse config files, environment, and command-line arguments, to get a single collection of options
...ile(argparse.Action):
def __call__(self,parser,namespace,values,option_string=None):
# I can never remember if `values` is a list all the time or if it
# can be a scalar string; this takes care of both.
if isinstance(values,basestring):
parser.config_files.app...