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使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...替换了一颗真正的数据库存储引擎，我们现在可以像使用MySQL数据库一样精确的指定TokuMX最大可用内存，它也完整支持的事务处理。当然了，TokuTek引以为傲的数据压缩能力也是一点也没落下。性能详细对比请参见《TokuMX vs. MongoDB...
Retrieve database or any other file from the Internal Storage using run-as
On a non-rooted android device, I can navigate to the data folder containing the database using the run-as command with my package name. Most files types I am content with just viewing, but with the database I would like to pull if from the android device.
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Express res.sendfile throwing forbidden error
...press considers relative paths in sendfile as bad. Unless you specify the root directory parameter, as seen here: github.com/visionmedia/express/issues/1465
– Joe
Aug 6 '13 at 10:51
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Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
... invoke Sub3,1,2
编译后再进行反汇编，看编译器是如何转换处理不同类型的子程序的：
;这里是Sub1 – C类型
:00401000 55 push ebp
:00401001 8BEC mov ebp,esp
:00401003 8B4508 ...
Format number to 2 decimal places
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You want to use the TRUNCATE command.
https://dev.mysql.com/doc/refman/8.0/en/mathematical-functions.html#function_truncate
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iPhone hide Navigation Bar only on first page
...ind the event/action to trigger it to hide again when they get back to the root view....
14 Answers
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Allowed characters in Linux environment variable names
...n/sh}
Verify environment variables:
HOSTNAME=bd0bccfdc53b
SHLVL=2
HOME=/root
spring.application_name=happy-variable-name
TERM=xterm
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
PWD=/
Use ps aux to verify PID not changed
PID USER TIME COMMAND
1 root 0:00 /bi...
What is the simplest SQL Query to find the second largest value?
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I see both some SQL Server specific and some MySQL specific solutions here, so you might want to clarify which database you need. Though if I had to guess I'd say SQL Server since this is trivial in MySQL.
I also see some solutions that won't work because they fail to...
Performing Breadth First Search recursively
...vels, the results will be same as a BFS.
public void PrintLevelNodes(Tree root, int level) {
if (root != null) {
if (level == 0) {
Console.Write(root.Data);
return;
}
PrintLevelNodes(root.Left, level - 1);
PrintLevelNodes(root.Right, level...
When NOT to use yield (return) [duplicate]
...ublic static IEnumerable<T> PreorderTraversal<T>(Tree<T> root)
{
if (root == null) yield break;
yield return root.Value;
foreach(T item in PreorderTraversal(root.Left))
yield return item;
foreach(T item in PreorderTraversal(root.Right))
yield return ...