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Send POST Request with Data Specified in File via Curl
...
If you are using form data to upload file,in which a parameter name must be specified , you can use:
curl -X POST -i -F "parametername=@filename" -F "additional_parm=param2" host:port/xxx
...
Check if a table exists in Rails
...ase.connection.table_exists? :kittens)
works for Rails 3.2
This simpler form will become available in Rails 5:
drop_table :kittens, if_exists: true
Reference: https://github.com/rails/rails/pull/16366
And here's the Rails 5 ActiveRecord's CHANGELOG:
Introduce the :if_exists option for dro...
How to pass macro definition from “make” command line arguments (-D) to C source code?
...hat use CPPFLAGS
n.o is made automatically from n.c with a recipe of the form:
$(CC) $(CPPFLAGS) $(CFLAGS) -c
n.o is made automatically from n.cc, n.cpp, or n.C with a recipe of the form:
$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c
One would use the command make CPPFLAGS=-Dvar=123 to define the desi...
How do I call Objective-C code from Swift?
...sses in Swift
If you have an existing class that you'd like to use, perform Step 2 and then skip to Step 5. (For some cases, I had to add an explicit #import <Foundation/Foundation.h to an older Objective-C File.)
Step 1: Add Objective-C Implementation -- .m
Add a .m file to your class, an...
ASP.NET MVC - Set custom IIdentity or IPrincipal
... { get; set; }
}
CustomPrincipalSerializeModel - for serializing custom information into userdata field in FormsAuthenticationTicket object.
public class CustomPrincipalSerializeModel
{
public int Id { get; set; }
public string FirstName { get; set; }
public string LastName { get; set;...
Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...idate is applicable if all the arguments are implicitly convertible to the formal parameter types. Consider this simplified version of your program:
class Program
{
delegate void D1();
delegate string D2();
static string X() { return null; }
static void Y(D1 d1) {}
static void ...
Check if a Postgres JSON array contains a string
I have a table to store information about my rabbits. It looks like this:
4 Answers
4
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jquery find closest previous sibling with class
...r and is easier to read and understand.
prevUntil() method has a better performance as well rather than using prevAll()
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How to RSYNC a single file?
...e this would be less safe, but if you were trying to remember the specific form of this command and you didn't do it frequently, then yes it's probably less safe then copying the single file. It may be safer tho if the file is large, i.e. because rsync automatically handles most errors that could oc...
Ajax using https on an http page
... roll your own mechanism around the iframe.
personally, i'd just redirect form the http:// page to the https:// one
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