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How to use enum values in f:selectItem(s)
I want to make a selectOneMenu dropdown so I can select a status on my question. Is it possible to make the f:selectItem more flexible considering what happens if the order of the enums changes, and if the list was large? And could I do this better? And is it possible to automatically "select" the i...
How to tell PowerShell to wait for each command to end before starting the next?
...reRmVM -ResourceGroupName $ResourceGroupName -Name $VmName -Status | ` select -ExpandProperty Statuses | ` ?{ $_.Code -match "PowerState" } | ` select -ExpandProperty DisplayStatus) -ne "VM running") { Start-Sleep -s 2 } Start-Sleep -s 5 ## Give the VM time to come up so it can accep...
Spring DAO vs Spring ORM vs Spring JDBC
... can then write code like this:
int nbRows = jdbcTemplate.queryForObject("select count(1) from person", Integer.class);
Person p = jdbcTemplate.queryForObject("select first, last from person where id=?",
rs -> new Person(rs.getString(1), rs.getString(2)),
13456135165...
Parsing huge logfiles in Node.js - read in line-by-line
...
'line-by-line' is more memory efficient than the selected answer. For 1 million lines in a csv the selected answer had my node process in the low 800s of megabytes. Using 'line-by-line' it was consistently in the low 700s. This module also keeps the code clean and easy to r...
BIO与NIO、AIO的区别(这个容易理解) - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...IO是否完成，那么为什么说是阻塞的呢？因为此时是通过select系统调用来完成的，而select函数本身的实现方式是阻塞的，而采用select函数有个好处就是它可以同时监听多个文件句柄，从而提高系统的并发性！
异步非阻塞IO:在此...
QLabel: set color of text and background
...nd-color :"+colcode+" ; color : blue; }");
getColor() method returns the selected color.
You can change label color using stylesheet
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Having both a Created and Last Updated timestamp columns in MySQL 4.0
...dated) values(null, null);
Query OK, 1 row affected (0.06 sec)
mysql> select * from test_table;
+----+---------------------+---------------------+
| id | stamp_created | stamp_updated |
+----+---------------------+---------------------+
| 2 | 2009-04-30 09:44:35 | 2009-04-30 09:4...
An App ID with Identifier '' is not available. Please enter a different string
...s trying to create appeared in appstoreconnect when creating a new app and selecting the bundle ID. It was named "XC com domain appname - com.domain.appname"; * I couldn't see the ID in developer.apple.com because the scroll bar is hidden by default in Safari. Didn't see that there are more entries....
What is the correct way to get a subarray in Scala?
...irst n elements with take(n: Int)
array.take(4) // Array('a','b','c','d')
Select any interval of elements with slice(from: Int, until: Int). Note that until is excluded.
array.slice(2,4) // Array('c','d')
The slice method is stricly equivalent to:
array.take(4).drop(2) // Array('c','d')
Exclude t...
How do I properly escape quotes inside HTML attributes?
...ogleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<select>
<option value="&quot;asd">Test</option>
</select>
Alternatively, you can delimit the attribute value with single quotes:
<option value='"asd'>test</option>
...