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What is the overhead of creating a new HttpClient per call in a WebAPI client?
... you need to use a static HttpClient with different headers, base address, etc. what you will need to do is to create the HttpRequestMessage manually and set those values on the HttpRequestMessage. Then, use the HttpClient:SendAsync(HttpRequestMessage requestMessage, ...)
UPDATE for .NET Core:
You ...
std::string formatting like sprintf
... uses vsnprintf() internally:
#include <stdarg.h> // For va_start, etc.
std::string string_format(const std::string fmt, ...) {
int size = ((int)fmt.size()) * 2 + 50; // Use a rubric appropriate for your code
std::string str;
va_list ap;
while (1) { // Maximum two pass...
How does functools partial do what it does?
...Roughly, partial does something like this (apart from keyword args support etc):
def partial(func, *part_args):
def wrapper(*extra_args):
args = list(part_args)
args.extend(extra_args)
return func(*args)
return wrapper
So, by calling partial(sum2, 4) you create a ...
C# operator overload for `+=`?
...
For simple (int, float, etc.) types, += could probably be optimized by a smart compiler, because arithmetic is simple. But once you're dealing with objects, all bets are off. Any language faces pretty much the same problems. This is why operator ove...
How can I save a screenshot directly to a file in Windows? [closed]
...wrote a little AutoHotkey script calling GDI+ functions to do screenshots. Etc.
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Dynamically load JS inside JS [duplicate]
...g.
<script src="scriptloader.js" data-main="file1.js,file2.js,file3.js,etc." ></script>
and do a element.getAttribute("data-main").split(',')
such as
var target = document.currentScript || (function() {
var scripts = document.getElementsByTagName('script');
// Note: this is for...
How do you find the current user in a Windows environment?
... you can use the following:
[System.Security.Principal.WindowsIdentity]::GetCurrent().Name - Gives you the fully qualified username (e.g. Domain\Username). This is also the most secure method because it cannot be overridden by the user like the other $Env variables below.
$Env:Username - Gets just...
How to make a python, command-line program autocomplete arbitrary things NOT interpreter
...ng a shell-function that will generate possible completions, save it into /etc/bash_completion.d/ and register it with the command complete. Here's a snippet from the linked page:
_foo()
{
local cur prev opts
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWOR...
Is MonoTouch now banned on the iPhone? [closed]
...product in development was to be iPhone/iPad only (who cares about Android etc) and in MonoTouch. We have now reconsidered, and we will now be Obj-C as required, but we will also be sure to have Android and WinPhone support available day 1 too. A business cannot afford the uncertainty of behaviour,...
How to install the JDK on Ubuntu Linux
...lete, set environment variables as follows.
Edit the system path in file /etc/profile:
sudo gedit /etc/profile
Add the following lines at the end.
JAVA_HOME=/usr/lib/jvm/jdk1.7.0
PATH=$PATH:$HOME/bin:$JAVA_HOME/bin
export JAVA_HOME
export PATH
Source: http://javaandme.com/
...