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Can I implement an autonomous `self` member type in C++?
...
Here's how you can do it without repeating the type of Foo:
template <typename...Ts>
class Self;
template <typename X, typename...Ts>
class Self<X,Ts...> : public Ts...
{
protected:
typedef X self;
};
#define WITH_SELF(X) ...
Avoiding SQL injection without parameters
...rs to safeguard against sql injections and the other guys that don't think it is necessary. Instead they want to replace single apostrophes with two apostrophes in all strings to avoid sql injections. Our databases are all running Sql Server 2005 or 2008 and our code base is running on .NET framewor...
How to do a Jquery Callback after form submit?
I have a simple form with remote=true.
7 Answers
7
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JavaScript console.log causes error: “Synchronous XMLHttpRequest on the main thread is deprecated…”
...een adding logs to the console to check the status of different variables without using the Firefox debugger.
21 Answers
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Differences between strong and weak in Objective-C
...n most cases) means that you want to "own" the object you are referencing with this property/variable. The compiler will take care that any object that you assign to this property will not be destroyed as long as you point to it with a strong reference. Only once you set the property to nil will the...
Could not execute editor
I don't often have to modify multiple commit messages, but it has happened once or twice and I don't ever remember seeing this. I hope someone else has. When I git rebase -i HEAD~7 , the expected list opens in vi exactly as expected. I change the pick values to edit where appropriate and then ...
How to debug PDO database queries?
...t database syntax error, I could just echo the final SQL query string, try it myself on the database, and tweak it until I fixed the error, then put that back into the code.
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Android ADB device offline, can't issue commands
...us 7 and Galaxy Nexus were updated to Android 4.2.2.
The thing that fixed it for me was to upgrade the SDK platform-tools to r16.0.1. For me, this version was not displayed in my SDK Manager, so I pulled it down from http://dl.google.com/android/repository/platform-tools_r16.0.1-windows.zip directl...
403 Forbidden vs 401 Unauthorized HTTP responses
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A clear explanation from Daniel Irvine:
There's a problem with 401 Unauthorized, the HTTP status code for authentication errors. And that’s just it: it’s for authentication, not authorization.
Receiving a 401 response is the server telling you, “you aren’t
authenticated...
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...ption you do not create too many of them at the same time). I wouldn't use it if it's important that there's no connection between the uuid and the computer, as the mac address gets used to make it unique across computers.
You can create duplicates by creating more than 214 uuid1 in less than 100ns...