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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...e a compile-time constant is required, string.Empty isn't even legal. This includes case "" blocks in switch statements, default values of optional parameters, parameters and properties in applying attributes, and a lot of other situations (left to the reader). So given that string.Empty is disallow...
What's the difference between “Normal Reload”, “Hard Reload”, and ...
...ends a header asking servers for a fresh version; it's then up to servers (including proxies) to change behavior based on that.
– Denilson Sá Maia
Jun 4 '18 at 13:22
...
How to read a file into a variable in shell?
...hile IFS='' read -r _line; do
_contents+=("$_line"$'\n')
done
# include $_line once more to capture any content after the last newline
printf -v "$1" '%s' "${_contents[@]}" "$_line"
}
This supports inputs with or without trailing newlines.
Example usage:
$ read_input file_contents <...
write a shell script to ssh to a remote machine and execute commands
...shell script which will execute the same set of commands in each machine. (Including some sudo operations). How can this be done using shell scripting?
You can do this with ssh, for example:
#!/bin/bash
USERNAME=someUser
HOSTS="host1 host2 host3"
SCRIPT="pwd; ls"
for HOSTNAME in ${HOSTS} ; do
...
Ignoring directories in Git repositories on Windows
...
Neat. Including a trailing period does work. Explorer strips off the last period, resulting in a file named ".gitignore". I think the quotes method is cleaner though and less likely to create surprises.
– Tr...
How can javascript upload a blob?
...lutions above and in addition, those in related answers as well. Solutions including but not limited to passing the blob manually to a HTMLInputElement's file property, calling all the readAs* methods on FileReader, using a File instance as second argument for a FormData.append call, trying to get t...
JavaScript open in a new window, not tab
...
worked perfectly. had to include location=0 as well in firefox.
– Rick james
Feb 8 '17 at 21:30
...
Getting Git to work with a proxy server - fails with “Request timed out”
... for me: 1) If proxyuser is a Windows login, leave out the AD domain, just include the user name without the domain; 2) Spaces in the proxypwd should be encoded as "+". eg "My Password" should be entered as "My+Password".
– Simon Tewsi
Jan 11 '13 at 3:48
...
Difference between no-cache and must-revalidate
... and no-store. no-cache means the resource MUST be revalidated. Revalidate includes the option to use conditional requests, such as If-None-Match and If-Modified-Since.
– Jules Sam. Randolph
Aug 17 '18 at 17:24
...
Does the JVM prevent tail call optimizations?
...
do you know if in java8 this is included?
– nachokk
Apr 24 '14 at 20:53
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