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What are named pipes?
...quest listeners.
The advantage of named pipes is that it is usually much faster, and frees up network stack resources.
--
BTW, in the Windows world, you can also have named pipes to remote machines -- but in that case, the named pipe is transported over TCP/IP, so you will lose performance. Use...
Dump a NumPy array into a csv file
... It does take some extra memory so it's not always possible, but it's very fast and easy to use.
import pandas as pd
pd.DataFrame(np_array).to_csv("path/to/file.csv")
if you don't want a header or index, use to_csv("/path/to/file.csv", header=None, index=None)
...
What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
...ted with INSERT, DELETE or UPDATE operations.
ExecuteScalar
It’s very fast to retrieve single values from database.
Execute Scalar will return single row single column value i.e. single value, on execution of SQL Query or Stored procedure using command object.
ExecuteReader
Execute Reader wil...
How to quickly check if folder is empty (.NET)?
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Here is the extra fast solution, that I finally implemented. Here I am using WinAPI and functions FindFirstFile, FindNextFile. It allows to avoid enumeration of all items in Folder and stops right after detecting the first object in the Folder...
Can I disable a CSS :hover effect via JavaScript?
...work well if you click on stuff before it's finished loading. Even with a fast browser on a fast link I see this a lot.
– Mr. Shiny and New 安宇
May 5 '10 at 19:25
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How to add a new audio (not mixing) into a video using ffmpeg?
...o re-encoding of the video occurs. Quality is preserved and the process is fast.
If your input audio format is compatible with the output format then change -c:v copy to -c copy to stream copy both the video and audio.
If you want to re-encode video and audio then remove -c:v copy / -c copy.
The ...
From inside of a Docker container, how do I connect to the localhost of the machine?
...dr show eth0
863: eth0: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 66:32:13:f0:f1:e3 brd ff:ff:ff:ff:ff:ff
inet 172.17.1.192/16 scope global eth0
valid_lft forever preferred_lft forever
inet6 fe80::6432:13ff:fef0:f1e3/64 sco...
Is there a git-merge --dry-run option?
...
As noted previously, pass in the --no-commit flag, but to avoid a fast-forward commit, also pass in --no-ff, like so:
$ git merge --no-commit --no-ff $BRANCH
To examine the staged changes:
$ git diff --cached
And you can undo the merge, even if it is a fast-forward merge:
$ git merge...
Logging Clientside JavaScript Errors on Server [closed]
...hrottling function to this to prevent a client from hitting the server too fast. Here is an example of this from {Track:js} github.com/TrackJs/Tech-Demo/blob/master/src/TrackJs.Demo/…
– Todd Gardner
Oct 28 '13 at 20:33
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Jackson Vs. Gson [closed]
... especially in the model). Here's another benchmark that can highlight how fast Jackson is if compared to GSon. It looks 100x faster in Serialization/Deserialization code.google.com/p/thrift-protobuf-compare/wiki/Benchmarking
– mickthompson
Mar 5 '10 at 8:45
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