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Can linux cat command be used for writing text to file?
...
I use the following code to write raw text to files, to update my CPU-settings. Hope this helps out!
Script:
#!/bin/sh
cat > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor <<EOF
performance
EOF
cat > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor <<EOF
pe...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...it useful. This python script will find any jupyter kernel using more than cpu_threshold CPU and prompts the user to send a SIGINT to the kernel (KeyboardInterrupt). It will keep sending SIGINT until the kernel's cpu usage goes below cpu_threshold. If there are multiple misbehaving kernels it will p...
How many threads can a Java VM support?
...do other normal operations like browsing, opening, closing other programs, etc.
With 25,000 threads system slows down but it remains responsive.
With 50,000 threads system stopped responding instantly and I had to restart my system manually.
My system details are as follows :
Processor : Intel c...
A Windows equivalent of the Unix tail command [closed]
...ing inside the terminal window to give you a chance to read, copy / paste, etc. If you press Enter it will resume scrolling.
– cbednarski
May 19 '11 at 21:50
20
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C++ : why bool is 8 bits long?
...of addressing". For common processors, addressing a "byte" anyhow ends-up fetching more than a "byte" from external memory: this is due to efficiency reasons.
– jldupont
Jan 14 '10 at 14:34
...
What are the best Haskell libraries to operationalize a program? [closed]
...'s a first cut.
Be able to log at multiple levels (ex: debug, warning, etc.).
hslogger is easily the most popular logging framework.
Be able to collect and share metrics/statistics about the types of work the program is doing and how long that work is taking. Ideally, the collected metric...
When should one use a spinlock instead of mutex?
...r, the operating system will forcefully switch to another thread, once the CPU runtime quantum of the current thread has been exceeded, of course).
The Problem
The problem with mutexes is that putting threads to sleep and waking them up again are both rather expensive operations, they'll need quit...
node.js child process - difference between spawn & fork
...hout effecting other things. Scheduling, shared cache usage, BUS traffic, etc. However, it should take advantage of a separate core, and leave your main run loop MOSTLY unaffected. As in, not the severe negative effects you'd expect of having two processes run on the same single core processor. A...
Task vs Thread differences [duplicate]
...now it will be a separate thread, rather than executing on the thread pool etc.
Task is more than just an abstraction of "where to run some code" though - it's really just "the promise of a result in the future". So as some different examples:
Task.Delay doesn't need any actual CPU time; it's jus...
How do I debug Node.js applications?
... from any browser supporting WebSocket. Breakpoints, profiler, livecoding, etc... It is really awesome.
Install it with:
npm install -g node-inspector
Then run:
node-debug app.js
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