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Fastest method to replace all instances of a character in a string [duplicate]
...k for ALL these conditions
that many others fail on:
"x".replaceAll("x", "xyz");
// xyz
"x".replaceAll("", "xyz");
// xyzxxyz
"aA".replaceAll("a", "b", true);
// bb
"Hello???".replaceAll("?", "!");
// Hello!!!
Let me know if you can break it, or you have something better, but make sure it can ...
mysql :: insert into table, data from another table?
...
for whole row
insert into xyz select * from xyz2 where id="1";
for selected column
insert into xyz(t_id,v_id,f_name) select t_id,v_id,f_name from xyz2 where id="1";
share
...
Change auto increment starting number?
...RT INTO foobar(moobar) values ("def");
INSERT INTO foobar(moobar) values ("xyz");
select * from foobar;
'10', 'abc'
'11', 'def'
'12', 'xyz'
This auto increments the id column by one starting at 10.
Auto increment in MySQL by 5, starting at 10:
drop table foobar
create table foobar(
id ...
Like Operator in Entity Framework?
... express a LIKE clause using String.Contains:
where entity.Name.Contains("xyz")
translates to
WHERE Name LIKE '%xyz%'
(Use StartsWith and EndsWith for other behaviour.)
I'm not entirely sure whether that's helpful, because I don't understand what you mean when you say you're trying to impleme...
What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]
...ol traversals such as "I want to write an email to everyone working on the XYZ project". People will have been associated with the project because they will be tagged as creating and modifying the data within the XYZ project. So by using the XYZ project as a search key, a huge set with everything ...
What is the difference between Class.getResource() and ClassLoader.getResource()?
...So the following are basically equivalent:
foo.bar.Baz.class.getResource("xyz.txt");
foo.bar.Baz.class.getClassLoader().getResource("foo/bar/xyz.txt");
And so are these (but they're different from the above):
foo.bar.Baz.class.getResource("/data/xyz.txt");
foo.bar.Baz.class.getClassLoader().getR...
SQLiteDatabase.query method
...aks and you get exceptions or does unintended things, for example value = "XYZ'; DROP TABLE table1;--" might even drop your table since the statement would become two statements and a comment:
SELECT * FROM table1 where column1='XYZ'; DROP TABLE table1;--'
using the args version XYZ'; DROP TABLE ...
Fully custom validation error message with Rails
...
The problem is that my field is called :song_rep_xyz (well, something complicated), which is not user friendly
– marcgg
Apr 30 '09 at 20:11
16
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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...下获取数据的接口有什么问题？
1、通过各大微博的搜索api。就比如新浪微博API针对一个服务器IP的请求次数，普通权限限制是一个小时1w次，最高权限合作授权一个小时4w次。使用应用时还需要有足够的用户，单用户每个应...
How to secure MongoDB with username and password
... user.
use some_db
db.createUser(
{
user: "myNormalUser",
pwd: "xyz123",
roles: [ { role: "readWrite", db: "some_db" },
{ role: "read", db: "some_other_db" } ]
}
)
4) Stop the MongoDB instance and start it again with access control.
mongod --auth --dbpath /data/db
...