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How to save a PNG image server-side, from a base64 data string
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my image has been successfully saved. but when i write url of the image I see a blank image. I am sure that my dataURL is correct, because I tested that using window.open(dataURL). Why a blank image?
– p...
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
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The /sys filesystem should contain plenty information for your quest. My system (2.6.32-40-generic #87-Ubuntu) suggests:
/sys/class/tty
Which gives you descriptions of all TTY devices known to the system. A trimmed down example:
# ll /sys/class/tty/ttyUSB*
lrwxrwxrwx 1 root root 0 2012-03-2...
Getting started with Haskell
For a few days I've tried to wrap my head around the functional programming paradigm in Haskell. I've done this by reading tutorials and watching screencasts, but nothing really seems to stick.
Now, in learning various imperative/OO languages (like C, Java, PHP), exercises have been a good way for m...
Mongod complains that there is no /data/db folder
I am using my new mac for the first time today. I am following the get started guide on the mongodb.org up until the step where one creates the /data/db directory. btw, I used the homebrew route.
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Algorithm to detect overlapping periods [duplicate]
...ng.
Every period has a start date and an end date.
I need to detect if my first time period (A) is overlapping with another one(B/C).
In my case, if the start of B is equal to the end of A, they are not overlapping(the inverse too)
I found the following cases:
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What is the C# equivalent of friend? [duplicate]
...class you're testing, which should be isolated from other dependencies. If my factory injected other concrete dependencies into the class I'm testing, I'd be in strife.
– andrensairr
Oct 9 '19 at 21:58
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How can I make a clickable link in an NSAttributedString?
...ing a method when link clicked? if so implement delegate method, give a dummy url as attribute and call your method in - (BOOL)textView:(UITextView *)textView shouldInteractWithURL:(NSURL *)URL inRange:(NSRange)characterRange
– ujell
Apr 23 '15 at 9:26
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Characters allowed in a URL
...lid for host, unfortunately it's not easily copied and pasted, but I'll do my best.
In first matched order:
host = IP-literal / IPv4address / reg-name
IP-literal = "[" ( IPv6address / IPvFuture ) "]"
IPvFuture = "v" 1*HEXDIG "." 1*( unreserved / sub-delims / ":" )
IPv6address = ...
How to enable external request in IIS Express?
...solutionDir)\.vs\config\applicationhost.config
< VS 2015: %userprofile%\My Documents\IISExpress\config\applicationhost.config
Find your site's binding element, and add
<binding protocol="http" bindingInformation="*:8080:*" />
Setup the bit of Windows called 'http.sys'. As an admi...
Google Gson - deserialize list object? (generic type)
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my json object starts with an object, then contains an array of the object I want { "myObjectArray":[ {....} , {....} , {....} ] }, I have made the model file for {....} , how do I get this generic collection code to not ass...