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Grep for literal strings
...
cat list.txt
one:hello:world
two:2:nothello
three:3:kudos
grep --color=always -F"hello
three" list.txt
output
one:hello:world
three:3:kudos
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How do I use prepared statements in SQlite in Android?
...es
String sql = "INSERT INTO table_name (column_1, column_2) VALUES (57, 'hello')";
SQLiteStatement statement = db.compileStatement(sql);
long rowId = statement.executeInsert();
Note that the executeInsert() method is used rather than execute(). Of course, you wouldn't want to always enter the sa...
Check if a string is html or not
...x does work but it won't detect unclosed html tags such as "'<strong>hello world". granted this is broken html therefore should be treated as a string but for practical purposes your app may want to detect these too.
– TK123
Sep 21 '16 at 19:39
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Generate a Hash from string in Javascript
...sh) + currVal.charCodeAt(0))|0, 0);
}
// Test
console.log("hashCode(\"Hello!\"): ", hashCode('Hello!'));
EDIT (2019-11-04):
one-liner arrow function version :
const hashCode = s => s.split('').reduce((a,b) => (((a << 5) - a) + b.charCodeAt(0))|0, 0)
// test
console....
html (+css): denoting a preferred place for a line break
...or example, if spans were styled to become inline-blocks, then <span>Hello </span><span> world</span> will be Helloworld, and <span>Hello</span> <span>world</span> will be normal Hello world.
– user
Mar 20 '14 at ...
Difference between String#equals and String#contentEquals methods
...ring {
public static void main(String[] args) {
String str1 = "hello";
String str2 = "hello";
StringBuffer sb1 = new StringBuffer("hello");
StringBuffer sb2 = new StringBuffer("world");
boolean result1 = str1.equals(str2); // works nice and re...
How to use SSH to run a local shell script on a remote machine?
...ints out /home/user
Another example:
user@host> ssh user2@host2 "echo hello world | awk '{print \$1}'"
prints out "hello" correctly.
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What is a word boundary in regex?
... for the sake of understanding, is it possible to rewrite the regex \bhello\b without using \b (using \w, \W and other)?
– David Portabella
Sep 28 '16 at 9:40
5
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How to remove leading and trailing whitespace in a MySQL field?
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I downvoted. Testcase: SELECT CONCAT('"', TRIM(" hello world "), '"') AS `trimmed value` FROM DUAL gives the wanted output "hello world". While the replace variant dangerously removes the space as word separator: SELECT CONCAT('"', REPLACE(" hello world ", ' ', '')) AS `rep...
Strip double quotes from a string in .NET
...e trimmed instead of simply trimming empty spaces:
string withQuotes = "\"hellow\"";
string withOutQotes = withQuotes.Trim('"');
should result in withOutQuotes being "hello" instead of ""hello""
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