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What's the difference between IEquatable and just overriding Object.Equals()?
...t you avoid a cast from System.Object which can make a difference if it's called frequently.
As noted on Jared Parson's blog though, you still must implement the Object overrides.
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How to copy a file to a remote server in Python using SCP or SSH?
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You can call the scp bash command (it copies files over SSH) with subprocess.run:
import subprocess
subprocess.run(["scp", FILE, "USER@SERVER:PATH"])
#e.g. subprocess.run(["scp", "foo.bar", "joe@srvr.net:/path/to/foo.bar"])
If you'...
Alternate FizzBuzz Questions [closed]
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I've seen a small list of relatively simple programming problems used to weed out candidates, just like FizzBuzz. Here are some of the problems I've seen, in order of increasing difficulty:
Reverse a string
Reverse a sentence ("bob likes...
Get a substring of a char* [duplicate]
For example, I have this
5 Answers
5
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How to iterate over associative arrays in Bash
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This is now if assign all keys to an array: array=(${!hash[@]})
– Michael-O
Jun 6 '13 at 10:54
12
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How to count TRUE values in a logical vector
In R, what is the most efficient/idiomatic way to count the number of TRUE values in a logical vector? I can think of two ways:
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UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c
...case since I'm using it as protection against non-ASCII input which is not allowed by my application.
Alternatively: Use the open method from the codecs module to read in the file:
import codecs
with codecs.open(file_name, 'r', encoding='utf-8',
errors='ignore') as fdata:
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Android emulator doesn't take keyboard input - SDK tools rev 20
.../managing-avds-cmdline.html#hardwareopts
On Mac OS and Linux you can edit all of your emulator configurations with one Terminal command:
for f in ~/.android/avd/*.avd/config.ini; do echo 'hw.keyboard=yes' >> "$f"; done
On a related note, if your tablet emulator is missing the BACK/HOME bu...
iOS - Dismiss keyboard when touching outside of UITextField
...TapGestureRecognizer(target: self, action: #selector(self.dismissKeyboard (_:)))
self.view.addGestureRecognizer(tapGesture)
For dismissKeyboard
@objc func dismissKeyboard (_ sender: UITapGestureRecognizer) {
aTextField.resignFirstResponder()
}
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Mongoimport of json file
I have a json file consisting of about 2000 records. Each record which will correspond to a document in the mongo database is formatted as follows:
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