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What is the overhead of creating a new HttpClient per call in a WebAPI client?
...Even across multiple threads.
The HttpClientHandler has Credentials and Cookies that are intended to be re-used across calls. Having a new HttpClient instance requires re-setting up all of that stuff.
Also, the DefaultRequestHeaders property contains properties that are intended for multiple calls....
How to print to console when using Qt
I'm using Qt4 and C++ for making some programs in computer graphics. I need to be able to print some variables in my console at run-time, not debugging, but cout doesn't seem to work even if I add the libraries. Is there a way to do this?
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How to implement the Android ActionBar back button?
I have an activity with a listview. When the user click the item, the item "viewer" opens:
12 Answers
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getActivity() returns null in Fragment function
I have a fragment (F1) with a public method like this
15 Answers
15
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Password masking console application
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Console.Write("\b \b"); will delete the asterisk character from the screen, but you do not have any code within your else block that removes the previously entered character from your pass string variable.
Here's the relevant working code that should do what you require:
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Preview an image before it is uploaded
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Please take a look at the sample code below:
function readURL(input) {
if (input.files && input.files[0]) {
var reader = new FileReader();
reader.onload = function(e) {
$('#blah').attr('src', e.t...
Python import csv to list
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Maciej GolMaciej Gol
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Shortcuts in Objective-C to concatenate NSStrings
...ppendingString: ) string concatenation in Objective-C, or shortcuts for working with NSString in general?
29 Answers
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How to debug in Django, the good way? [closed]
...ing to code in Python and later Django . The first times it was hard looking at tracebacks and actually figure out what I did wrong and where the syntax error was. Some time has passed now and some way along the way, I guess I got a routine in debugging my Django code. As this was done early in m...
Can I use if (pointer) instead of if (pointer != NULL)?
Is it safe to check a pointer to not being NULL by writing simply if(pointer) or do I have to use if(pointer != NULL) ?
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