大约有 40,000 项符合查询结果（耗时：0.0727秒） [XML]
How do I see what character set a MySQL database / table / column is?
...'d do it -
For Schemas (or Databases - they are synonyms):
SELECT default_character_set_name FROM information_schema.SCHEMATA
WHERE schema_name = "schemaname";
For Tables:
SELECT CCSA.character_set_name FROM information_schema.`TABLES` T,
information_schema.`COLLATION_CHARACTER_SET_APPL...
Initial bytes incorrect after Java AES/CBC decryption
... is available here:
http://commons.apache.org/proper/commons-codec/download_codec.cgi
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;
public class Encryptor {
public static String encr...
Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
... = new Uint32Array(b.buffer, b.byteOffset, b.byteLength / Uint32Array.BYTES_PER_ELEMENT);
No dependencies, moderate speed, any version of Node.js
Use Martin Thomson's answer, which runs in O(n) time. (See also my replies to comments on his answer about non-optimizations. Using a DataView is slo...
How to concatenate strings in django templates?
...
Use with:
{% with "shop/"|add:shop_name|add:"/base.html" as template %}
{% include template %}
{% endwith %}
share
|
improve this answer
|
...
How to rename a single column in a data.frame?
...nswered May 10 '13 at 20:33
Side_0o_EffectSide_0o_Effect
5,97122 gold badges99 silver badges44 bronze badges
...
Parse large JSON file in Nodejs
...d to hear if it works.
It does work consider the following Javascript and _.isString:
stream.pipe(JSONStream.parse('*'))
.on('data', (d) => {
console.log(typeof d);
console.log("isString: " + _.isString(d))
});
This will log objects as they come in if the stream is an array of obj...
How to delete items from a dictionary while iterating over it?
...over mydict as usual, saving the keys to delete in a seperate collection to_delete. When you're done iterating mydict, delete all items in to_delete from mydict. Saves some (depending on how many keys are deleted and how many stay) space over the first approach, but also requires a few more lines.
...
How to find out the MySQL root password
...sword.
On ubuntu I did the following:
sudo service mysql stop
sudo mysqld_safe --skip-grant-tables --skip-syslog --skip-networking
Then run mysql in a new terminal:
mysql -u root
And run the following queries to change the password:
UPDATE mysql.user SET authentication_string=PASSWORD('passw...
Hidden Features of Java
...
JDK 1.6_07+ contains an app called VisualVM (bin/jvisualvm.exe) that is a nice GUI on top of many of the tools. It seems more comprehensive than JConsole.
...
Make a UIButton programmatically in Swift
..., 500)
myFirstButton.addTarget(self, action: #selector(myClass.pressed(_:)), forControlEvents: .TouchUpInside)
self.view.addSubview(myFirstLabel)
self.view.addSubview(myFirstButton)
}
@objc func pressed(sender: UIButton!) {
var alertView = UIAlertView()
alertView.addButtonWithTi...