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Populate nested array in mongoose
...o populate a 2 ref level deep relation. The mongoose models simply have
tables = new Schema({
..
tableTypesB: { type: Schema.Types.ObjectId, ref: 'tableTypesB' },
..
}
tableTypesB = new Schema({
..
tableType: { type: Schema.Types.ObjectId, ref: 'tableTypes' },
..
}
then in feathersj...
Return Boolean Value on SQL Select Statement
... AS bool part is very important): CAST( CASE WHEN EXISTS ( SELECT * FROM mytable WHERE mytable.id = 1) THEN TRUE ELSE FALSE END AS bool) AS nameofmycolumn
– Lucio Mollinedo
Nov 29 '18 at 23:48
...
Unpacking array into separate variables in JavaScript
...tructuring assignment has full support as of today kangax.github.io/compat-table/es6/#test-destructuring
– grandrew
Oct 28 '16 at 7:50
...
VM 磁盘空间扩容引起的一些问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...1后按“w”，系统将提示类似如下信息：
1. The partition table has been altered!
执行如下命令刷新vmfs分区：
#vmkfstools -V
再次利用vSphere Client登录到图形界面后重新刷新一下。
使用fdisk 报错，磁盘空间太大，fdisk 不支持，需...
Using jquery to get all checked checkboxes with a certain class name
...heckboxes you want to include only are all part of a single form or div or table, but you can always select all checkboxes inside a specific element. For example:
<ul id="selective">
<li><input type="checkbox" value="..." /></li>
<li><input type="checkbox" value="...
How to write log base(2) in c/c++
...
If you want to make it fast, you could use a lookup table like in Bit Twiddling Hacks (integer log2 only).
uint32_t v; // find the log base 2 of 32-bit v
int r; // result goes here
static const int MultiplyDeBruijnBitPosition[32] =
{
0, 9, 1, 10, 13, 21, 2, 29, 11, 1...
SQL parser library for Java [closed]
...
JSqlParser
Presto's parser is written using ANTLR4 and has its own immutable AST classes that are built from the parser. The AST has a visitor and pretty printer.
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Selecting only numeric columns from a data frame
...e code to other answers:
x[, sapply(x, class) == "numeric"]
with a data.table
x[, lapply(x, is.numeric) == TRUE, with = FALSE]
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How to sort findAll Doctrine's method?
... must tell your entity to look for queries in the repository:
/**
* @ORM\Table(name="User")
* @ORM\Entity(repositoryClass="Acme\UserBundle\Entity\Repository\UserRepository")
*/
class User
{
...
}
Finally, in your controller:
$this->getDoctrine()->getRepository('AcmeBundle:User')->...
Responsive image align center bootstrap 3
I do a catalog using Bootstrap 3. When displayed on tablets, the product images look ugly because of their small size (500x500) and a width of 767 pixels in the browser. I want to put the image in the center of the screen, but for some reason I can not. Who be will help solve the problem?
...