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How to exclude certain directories/files from git grep search
...ould also use something like :(top) (short form: :/) to include everything from the top of the repo. But then you'd probably also want to adjust your exclude pathspec to start from the top as well: :/!*.java (otherwise it would only exclude *.java files from under your current directory).
There's a...
How to make a cross-module variable?
...a variable to the __builtin__ module, it will be accessible as if a global from any other module that includes __builtin__ -- which is all of them, by default.
a.py contains
print foo
b.py contains
import __builtin__
__builtin__.foo = 1
import a
The result is that "1" is printed.
Edit: The _...
What does axis in pandas mean?
...
I think the confusion comes from the complexity of each so-called "act". df.dropna(axis=0) will first check all the COLUMNS in each ROW and then drop those ROWS with a null. The axis talks about the last step but our brain will focus on the first part....
what's the correct way to send a file from REST web service to client?
...p REST services, but I've come across a difficult situation: sending files from my REST service to my client. So far I've gotten the hang of how to send simple data types (strings, integers, etc) but sending a file is a different matter since there are so many file formats that I don't know where I ...
RequestDispatcher.forward() vs HttpServletResponse.sendRedirect()
...is extremely useful in the MVC paradigm and/or when you want to hide JSP's from direct access. You can put JSP's in the /WEB-INF folder and use a Servlet which controls, preprocesses and postprocesses the requests. The JSPs in the /WEB-INF folder are not directly accessible by URL, but the Servlet c...
Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
...;/script>
What will happen now is that the Javascript code that comes from Google -- which the asker thought would be benign and immediately fall out of scope -- will actually be posted to my evil site. Suppose that the URL requested in the script tag sends (because your browser will present th...
Anything wrong with NOT signing a .NET assembly?
...semblies. He literally tries to sign anything. Even when we use assemblies from Microsoft that are not signed, he will take the source code, sign it and then ask other developers to use his copy instead.
...
Why would a JavaScript variable start with a dollar sign? [duplicate]
... common use in jQuery is to distinguish jQuery objects stored in variables from other variables.
For example, I would define:
var $email = $("#email"); // refers to the jQuery object representation of the dom object
var email_field = $("#email").get(0); // refers to the dom object itself
I fin...
What is an idiomatic way of representing enums in Go?
...
Quoting from the language specs:Iota
Within a constant declaration, the predeclared identifier iota represents successive untyped integer constants. It is reset to 0 whenever the reserved word const appears in the source and incr...
HTTP 1.0 vs 1.1
...s a new return code in HTTP/1.1 100 Continue. This is to prevent a client from sending a large request when that client is not even sure if the server can process the request, or is authorized to process the request. In this case the client sends only the headers, and the server will tell the clie...