大约有 40,000 项符合查询结果（耗时：0.0450秒） [XML]
Escape double quotes in a string
...g character " to the string.
What problem is that? You can't type string foo = "Foo"bar"";, because that'll invoke a compile error. As for the adding part, in string size terms that is not true:
@"""".Length == "\"".Length == 1
...
How to view/delete local storage in Firefox?
...roperties
localStorage.removeItem("foo");
localStorage.clear(); // remove all of localStorage's properties
Storage Inspector Method
Firefox now has a built in storage inspector, which you may need to manually enable. See rahilwazir's answer below.
...
Remove new lines from string and replace with one empty space
Want to remove all new lines from string.
19 Answers
19
...
How to do a logical OR operation in shell scripting
... @Doug: It's not that unix doesn't use them, it's that bash and all the other shells I know use them for input/output redirection.
– Cascabel
Nov 6 '10 at 2:28
add ...
MySQL error 1449: The user specified as a definer does not exist
... options:
1. Change the DEFINER
This is possibly easiest to do when initially importing your database objects, by removing any DEFINER statements from the dump.
Changing the definer later is a more little tricky:
How to change the definer for views
Run this SQL to generate the necessary ALTER ...
Convert integer into its character equivalent, where 0 => a, 1 => b, etc
...his edit? I think it makes it harder to read. Now I have to scroll horizontally to read the code.
– z0r
May 11 '17 at 1:23
...
How do you manually execute SQL commands in Ruby On Rails using NuoDB
...ustom SQL statements is:
results = ActiveRecord::Base.connection.execute("foo")
with "foo" being the sql statement( i.e. "SELECT * FROM table").
This command will return a set of values as a hash and put them into the results variable.
So on my rails application_controller.rb I added this:
def...
Which types can be used for Java annotation members?
...g[][]) are implicitly forbidden by the above rule.
Arrays of Class are not allowed as described in this answer.
share
|
improve this answer
|
follow
|
...
Quick unix command to display specific lines in the middle of a file?
...
Or more specifically 10 lines before: grep -B 10 ... Or 10 lines after: grep -A 10 ...
– Boy Baukema
May 21 '12 at 11:14
...
Join a list of strings in python and wrap each string in quotation marks
...n 3.6+), I've used backticks for a string used for a SQL script.
keys = ['foo', 'bar' , 'omg']
', '.join(f'`{k}`' for k in keys)
# result: '`foo`, `bar`, `omg`'
share
|
improve this answer
...