大约有 30,000 项符合查询结果(耗时:0.0395秒) [XML]
Error: Cannot pull with rebase: You have unstaged changes
...
Ah autostash, that saves me an extra two commands. This should be the correct answer IMO.
– Erik Berkun-Drevnig
Nov 23 '17 at 19:29
...
Generate random numbers using C++11 random library
...;
}
};
thread_local backoff_time_t backoff_time;
int main(int argc, char** argv) {
double x1 = backoff_time.rand();
double x2 = backoff_time.rand();
double x3 = backoff_time.rand();
double x4 = backoff_time.rand();
return 0;
}
~
...
ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
...q_connect (s, "tcp://192.168.0.111:5555");
/* Message routing */
const char data [] = "ABC";
zmq_send (s, data, sizeof (data), 0);
区分拓扑建立和消息路由严格地说不是不可缺少的。毕竟,混合这两个为一个单独的函数是很容易的:
zmq_send (s, "tcp://19...
How do I 'svn add' all unversioned files to SVN?
... awk? Awk can do pattern matching: awk '/^[?]/{print $2}'; No need for the extra grep process.
– bdrx
Feb 26 '15 at 13:59
1
...
How can prepared statements protect from SQL injection attacks?
...l commands, it will not be executed. Also, if the id is a number, then the string content will generate a report or value zero.
– Soley
Sep 7 '15 at 11:24
...
Passing an array to a query using a WHERE clause
...prepare and execute the query as noted above.
Using the IN() operator with strings
It is easy to change between strings and integers because of the bound parameters. For PDO there is no change required; for MySQLi change str_repeat('i', to str_repeat('s', if you need to check strings.
[1]: I've omit...
How to create a date and time picker in Android? [closed]
...anks ! However, i had to clone the code, because i think gradle dependency string is not valid ?
– kuldeep
Aug 20 '15 at 14:21
...
How to pass parameters to the DbContext.Database.ExecuteSqlCommand method?
... no more prone to attacks than this answer. Maybe you thought it was using string.Format - it's not.
– Simon MᶜKenzie
Nov 25 '14 at 4:35
...
How to change a field name in JSON using Jackson
...ed using @JsonProperty?
@Entity
public class City {
@id
Long id;
String name;
@JsonProperty("label")
public String getName() { return name; }
public void setName(String name){ this.name = name; }
@JsonProperty("value")
public Long getId() { return id; }
public void se...
Add a default value to a column through a migration
..., since change_column is irreversible.
Instead, though it may be a couple extra lines, you should use def up and def down
So if you have a column with no default value, then you should do this to add a default value.
def up
change_column :users, :admin, :boolean, default: false
end
def down
...
