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Using awk to remove the Byte-order mark
How would an awk script (presumably a one-liner) for removing a BOM look like?
5 Answers
...
Prompt for user input in PowerShell
...t of script execution
param(
[Parameter(Mandatory = $True,valueFromPipeline=$true)][String] $value1,
[Parameter(Mandatory = $True,valueFromPipeline=$true)][String] $value2
)
share
|
...
Select by partial string from a pandas DataFrame
...rch
This is most easily achieved through a regex search using the regex OR pipe.
# Slightly modified example.
df4 = pd.DataFrame({'col': ['foo abc', 'foobar xyz', 'bar32', 'baz 45']})
df4
col
0 foo abc
1 foobar xyz
2 bar32
3 baz 45
df4[df4['col'].str.contains(r'foo|baz')]...
Does Python support multithreading? Can it speed up execution time?
... rule-of-thumb is that any I/O (file reading and writing, network sockets, pipes) is handled in C, and a lot of C libraries also release the GIL for their operations, but it is up to the libraries to document this for you.
– Martijn Pieters♦
Jan 6 '14 at 17:1...
What is the default location for MSBuild logs?
...
Pipe the build into a text file? msbuild mysln.sln >output.txt (will probably need to add parameters to that to get your sln to compile, but you should be able to snag that from vs output window iirc at the correct verbosi...
When is a C++ destructor called?
...ementing the queue? Not std::queue<std::shared_ptr>? I've found that pipe() between a producer and consumer thread make concurrency a lot easier, if the copying isn't too expensive.
– chrisaycock
Apr 10 '12 at 0:30
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Is it faster to count down than it is to count up?
...i>=0. That saves a test per time round the loop.
In reality, on modern pipelined processor hardware, this stuff is almost certainly irrelevant as there isn't a simple 1-1 mapping from instructions to clock cycles. (Though I could imagine it coming up if you were doing things like generating prec...
Is .NET Remoting really deprecated?
...domain. If you are using single machine communication in WCF you use named pipes- using it should give good performance in virtually all realistic scenarios.
For a performance comparison of various distributed communication technologies see here.
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Error handling in Bash
... @CharlesDuffy, some of the gotchas can be overcome with set -o pipefail
– hobs
Sep 7 '12 at 22:31
7
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Remove non-ascii character in string
...code snippet" button to test. There is some new javascript coming down the pipe so in the future (2020+?) you may have to do \u{FFFFF} but not yet
console.log("line 1\nline2 \n\ttabbed\nF̸̡̢͓̳̜̪̟̳̠̻̖͐̂̍̅̔̂͋͂͐l̸̢̹̣̤̙͚̱͓̖̹̻̣͇͗͂̃̈͝a̸̬͕͕̰̖͍̍̏̎̕͘ͅ...