goread | RSS reader in go on app engine ; formerly goread.io
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kandi X-RAY | goread Summary
RSS reader in go on app engine; formerly goread.io
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QUESTION
From Cpanel preview, images are arranged horizontally.
But when I publish the actual website, the images are arranged vertically.
The HTML Code is this
...ANSWER
Answered 2020-Jul-25 at 11:04I had similar issues but it was resolved using max-width not the percentage. Try it.
QUESTION
I have a problem finding a memory leak in my program.
top reports an increasing memory usage as program runs. When profiling my program with valgrind, no memory leaks are reported.
Program consists in a "reader" thread and several "consumer" threads.
"reader" thread loads data into one of several char** pointers, one for every "consumer" thread.
"consumer" thread works on the data of its corresponding char* pointer and frees memory.
I have included some pseudocode that describes what my program is doing. I know the code provided might not be enough to describe the problem. I am happy to include the entire code project if that will help.
"reader" thread, condensed for brevity
...ANSWER
Answered 2020-Apr-28 at 16:20Turns out there is nothing wrong with my code per se.Calling free() after a malloc() releases memory on the heap to be reused by the program but that does not mean it goes back to the system. The reason for this is still a bit out of my understanding.
Valgrind was not reporting memory leaks because there are none.
After doing dome research, reading more about the nature of dynamic memory allocation and landing here:
Force free() to return malloc memory back to OS
Why does the free() function not return memory to the operating system?
Will malloc implementations return free-ed memory back to the system?
Memory not freed after calling free()
Calling malloc_trim() after each free was enough to make the system reclaim the allocated memory.
For example, without calling malloc_trim(), CPU and memory usage of my program looks like this: On each call to my "reader" thread (first peak in CPU ussage) some memory is allocated. Calling mu "consumer" threads free the requested memory but the memory is not always returned to the system as per the blue line in the plot.
With malloc_trim() after each free(), memory usage looks how I was expecting it to look: When "reader" thread is executing memory associated with the porcess increases. When "consumers" are running, memory is freed and returned to the OS.
QUESTION
HTML:
...ANSWER
Answered 2018-Aug-07 at 07:55DomDocument works really well, doc here.
A quick example
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install goread
Install Git and Mercurial and make sure git and hg are in your PATH.
Install the Go App Engine SDK.
Set your GOPATH (to something like /home/user), and make sure it's a directory that exists. (Note: set this on your machine's environment, not in the go.bat file.)
Further commands use goapp which lives in the go_appengine directory from the SDK. Make sure it's in your PATH.
Download goread and dependencies by running: goapp get -d github.com/mjibson/goread. You may get messages about unrecognized imports. Ignore them.
cd $GOPATH/src/github.com/mjibson/goread/app.
Copy app.sample.yaml to app.yaml.
In the goread directory (cd .. from the command above), copy settings.go.dist to settings.go.
From the app directory, start the app with goapp serve. (On Windows, you may need to do this instead: python C:\go_appengine\dev_appserver.py app.yaml.)
View at localhost:8080, admin console at localhost:8000.
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