Quicksave | simple Chrome extension that helps you to save images | Computer Vision library
kandi X-RAY | Quicksave Summary
kandi X-RAY | Quicksave Summary
Press 's' while hovering over image to save images quicker. So why use quciksave just to save 2 seconds of time your say. Quciksave also saves you trouble from going into the full image link to save full resolution images.
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Top functions reviewed by kandi - BETA
- Save file to file
- Keydown handler for keydown .
- Highlights a box .
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QUESTION
I'm using the EnumProcesses function to get all process IDs on the system. Then I iterate over each process ID and pass it to OpenProcess to get a process handle, which I then pass to GetProcessImageFileNameA to get the process name.
Here's a code snippet:
...ANSWER
Answered 2021-Jul-11 at 14:32I have fixed your code. The main errors was bad declaration of GetProcessName, wrong size passed for processName size, incorrect printf format specification, function doesn't always return a value, missing error checks.
QUESTION
Im new to React-Native and currently building a chat-function into my app. To visualize the chat Im using a FlatList (before I used Scrollview but with FlatList I have better performance with multiple items), netherless I have two big problems.
- As I write more chatmessages more and more messages are getting appended to my chatmessages hook. One message is not a problem, but after 2 or 3 the whole FlatList starts to blink and reload. This gets worse if I append even more messages.
- When I send more then 3 Messages to the Database, and they get downloaded by the firestore listener to my FlatList, those items arent even properly rendered into my FlatList. I use concat to add them at the end of my chatmessages state but FlatList displays them at the beginning of the whole chat! After that it blinks, and the new message drops one item lower, it blinks again and it drops lower, and this happens so long until the new message finally dropped to the end of the whole chat where it should be. It doesnt make sense at all because I use concat, so the new chatmessages are at the end of my whole chatmessages array, why is FlatList(and also Scrollview) adding them at the beginning and rerendering as much as they need to drop it to the bottom??
My Code looks like this:
...ANSWER
Answered 2021-May-07 at 16:03A key issue here is with your useEffect(() => loadnewmessages()). This is causing you a major performance overhead.
useEffect is a hook that has 2 parameters:
- a "callback" - a function that will be run whenever the conditions (see #2)are met
- dependency condition - one of 3 values:
null(or omitted entirely) - the callback is run EVERY TIME the component renders[](the empty array) - the callback is run only once when the component is first "mounted"[var1, var2, .....]- the callback is run if, each time the component is renders, any of the vars in the array has a different value than the last time the component rendered
In your case, you are fetching data from Firestore EVERY SINGLE TIME that the component renders.
Worse - each time your component renders you are using an onSnapshot() call meaning that you are creating a NEW realtime listener for data changes from that query every single time your component renders. After 1 render, you'll have a single listener. After you component renders a second time, you'll have 2 realtime listeners - each running the exact same Firestore query and listening for changes coming from Firestore. After 3 renders, you have 3 realtime listeners ...
Worse again - your realtime listener(s) get data from Firestore and update state. Updating state causes your component to re-render. See previous paragraph(!!!)
I recommend you look at how React's useEffect should be used in conjunction with Firestore realtime listeners. In particular, how to subscribe & unsubscribe to the listeners. Look for the word "unsubscribe" in this article for an example of useEffect() with Firestore (the section entitled "Streaming data in real time from Firestore as a side effect")
QUESTION
The problem I seem to have hit is one relating to loading times; I'm not running on a particularly fast machine by any means, but I still want to dabble into neural networks. In short, I have to load 336,600,000 integers into one large array (I'm using the MNIST database; each image is 28x28, which amounts to 748 pixels per image, times 45,000 images). It works fine, and surprisingly I don't run out of RAM, but... it takes 4 and a half hours, just to get the data into an array. I can supply the rest of the code if you want me to, but here's the function that runs through the file.
...ANSWER
Answered 2020-Nov-20 at 01:24 array[i][j] = Short.parseShort(line.split(",")[j]);
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