大约有 40,000 项符合查询结果（耗时：0.0553秒） [XML]
Declaring array of objects
...);
// or if you want different objects
let arr3 = new Array(5).fill().map((_, i) => ({ id: i }));
Will create an array of 5 items. Then you can use forEach for example.
arr.forEach(str => console.log(str));
Note that when doing new Array(5) it's just an object with length 5 and the array ...
Increment value in mysql update query
...
You could also just do this:
mysql_query("
UPDATE member_profile
SET points = points + 1
WHERE user_id = '".$userid."'
");
share
|
improve this...
Single quotes vs. double quotes in C or C++
..., that is sizeof 'a' is 4 in an architecture where ints are 32bit (and CHAR_BIT is 8), while sizeof(char) is 1 everywhere.
share
|
improve this answer
|
follow
...
MySQL Error 1153 - Got a packet bigger than 'max_allowed_packet' bytes
...port.
For the client, you can specify it on the command line:
mysql --max_allowed_packet=100M -u root -p database < dump.sql
Also, change the my.cnf or my.ini file under the mysqld section and set:
max_allowed_packet=100M
or you could run these commands in a MySQL console connected to that...
How to remove specific value from array using jQuery
...hings simple.
In your case all the code that you will have to write is -
_.without([1,2,3], 2);
and the result will be [1,3].
It reduces the code that you write.
share
|
improve this answer
...
Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
...
if converted with babel: [].concat(_slice.call(arguments))
– CHAN
Jul 27 '15 at 8:08
...
Redirect Windows cmd stdout and stderr to a single file
...'re using these to make log files, then unless you're sending the outut to _uniquely_named_ (eg date-and-time-stamped) log files, then if you run the same process twice, the redirected will overwrite (replace) the previous log file.
The >> (for either STDOUT or STDERR) will APPEND not REPLACE...
Generate a random alphanumeric string in Cocoa
... [randomString appendFormat: @"%C", [letters characterAtIndex: arc4random_uniform([letters length])]];
}
return randomString;
}
share
|
improve this answer
|
foll...
Cannot download Docker images behind a proxy
...led /etc/systemd/system/docker.service.d/http-proxy.conf that adds the HTTP_PROXY environment variable:
[Service]
Environment="HTTP_PROXY=http://proxy.example.com:80/"
If you have internal Docker registries that you need to contact without proxying you can specify them via the NO_PROXY environmen...
Check whether a path is valid
.../\\/\\\/abc/\/\/\/\///\\\//\defg");
IsValidPath(@"C:/abc/def~`!@#$%^&()_-+={[}];',.g");
IsValidPath(@"C:\\\\\abc////////defg");
IsValidPath(@"/abc", true);
IsValidPath(@"\abc", true);
share
|
i...