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How to write multiple line string using Bash with variables?
... 1, ${kernel}
line 2,
line 3, ${distro}
line 4 line
...
EOL
Previous example:
$ cat /tmp/myconfig.conf
line 1, ${kernel}
line 2,
line 3, ${distro}
line 4 line
...
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What is a word boundary in regex?
...he \b with before and after whitespace and punctuation designators. For example:
public static String grep(String regexp, String multiLineStringToSearch) {
String result = "";
String[] lines = multiLineStringToSearch.split("\\n");
Pattern pattern = Pattern.compile(regexp);
for (St...
Mongoose.js: Find user by username LIKE value
... @LenJoseph just in general the ReDoS attack: owasp.org/index.php/…, I'm unaware if mongoose is vulnerable at this point, or if there is any intended functionality to detect ReDoS inputs and sanitize them at the mongoose level.
– Mike Shi
Jun 23 ...
SVN best-practices - working in a team
... we use is that all configuration files have changed extension like config.php.config or something like that this way we keep our config files on server, but every team member has its own. When something big changes in config file than we make copy form svn version...
– zidane
...
Which Java Collection should I use?
...ndex, you access them by their key, which is any object. Like the array in PHP :)
Data in Map are searchable by their key.
Typical operation: get an element by its ID (where ID is of any type, not only int as in case of List).
The differences
Set vs. Map: in Set you search data by themselves, whi...
eval command in Bash and its typical uses
...de the parentheses in a subshell (i.e. in a separate process that inherits all settings such as variable values from the current shell), and gathers its output. So echo $($n) runs $n as a shell command, and displays its output. Since $n evaluates to 1, $($n) attempts to run the command 1, which does...
How do I step out of a loop with Ruby Pry?
...
To exit Pry unconditionally, type
exit-program
Edit from @Nick's comment: Also works:
!!!
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How to add images to README.md on GitHub?
...
You can create a New Issue
upload(drag & drop) images to it
Copy the images URL and paste it into your README.md file.
here is a detailed youTube video explained this in detail:
https://www.youtube.com/watch?v=nvPOUdz5PL4
...
Why is there no logical xor in JavaScript?
... use it as a logical operator on booleans, but not on other types. || and && can be used as logical operators on non-booleans (e.g. 5 || 7 returns a truthy value, "bob" && null returns a falsey value) but ^ cannot. For example, 5 ^ 7 equals 2, which is truthy.
–...
Is BCrypt a good hashing algorithm to use in C#? Where can I find it? [closed]
...ed is completely irrelevant; you'd be better off mentioning something like PHP type coercing problems with hash equality checks. Plus while largely suitable in a practical sense, PBKDF2 is a KDF, not a password hashing algorithm, whereas BCrypt is better suited. Regardless, it would make much more s...