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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers
...sfigueira/archive/2012/07/02/cors-support-in-asp-net-web-api-rc-version.aspx". It is working successfully, and i post data from client side to server successfully.
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How to debug Lock wait timeout exceeded on MySQL?
... see the affected table(s)
You get all kinds of additional Locking and Mutex Information.
Here is a sample from one of my clients:
mysql> show engine innodb status\G
*************************** 1. row ***************************
Type: InnoDB
Name:
Status:
=====================================...
“Inner exception” (with traceback) in Python?
...nd is in C# and I've just recently started programming in Python. When an exception is thrown I typically want to wrap it in another exception that adds more information, while still showing the full stack trace. It's quite easy in C#, but how do I do it in Python?
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Pretty-print C++ STL containers
...uct delimiters_values
{
typedef TChar char_type;
const TChar *prefix;
const TChar *delimiter;
const TChar *postfix;
};
// Defines the delimiter values for a specific container and character type
template<typename T, typename TChar>
struct delimiters
{
static const delimite...
Retrieve a single file from a repository
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in git version 1.7.9.5 this seems to work to export a single file from a remote
git archive --remote=ssh://host/pathto/repo.git HEAD README.md
This will cat the contents of the file README.md.
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Open a new tab in gnome-terminal using command line [closed]
I'm using Ubuntu 9.04 x64 and when I write:
10 Answers
10
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Padding characters in printf
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Pure Bash, no external utilities
This demonstration does full justification, but you can just omit subtracting the length of the second string if you want ragged-right lines.
pad=$(printf '%0.1s' "-"{1..60})
padlength=40
string2='bbbbbbb'...
List vs tuple, when to use each? [duplicate]
...anted to implement a Point class. Would you use a tuple or a list to hold x, y, z coordinates? You would want to change the values (go with list), but at the same time order and position is meaningful and consistent (go with tuple?).
– Arlen
Aug 23 '11 at 15:...
Python: Checking if a 'Dictionary' is empty doesn't seem to work
... behave properly. It just skips it and displays ONLINE without anything except of display the message. Any ideas why ?
8 ...
Add legend to ggplot2 line plot
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All that's left is a simple ggplot command:
ggplot(dd) + geom_line(aes(x=fecha, y=value, colour=variable)) +
scale_colour_manual(values=c("red","green","blue"))
Example plot
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improv...