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How do I get only directories using Get-ChildItem?
...sions less than 3.0:
The FileInfo object returned by Get-ChildItem has a "base" property, PSIsContainer. You want to select only those items.
Get-ChildItem -Recurse | ?{ $_.PSIsContainer }
If you want the raw string names of the directories, you can do
Get-ChildItem -Recurse | ?{ $_.PSIsContain...
Check if option is selected with jQuery, if not select a default
...is quite a bit easier to understand, especially if one does not understand base JavaScript.
– shmeeps
Jul 22 '11 at 16:29
6
...
Understanding what 'type' keyword does in Scala
...e-checking is performed.
But you can also have something like this
trait Base {
type T
def method: T
}
class Implementation extends Base {
type T = Int
def method: T = 42
}
Like any other member of a class, type members can also be abstract (you just don't specify what their value act...
Unix - create path of folders and file
...
You need to make all of the parent directories first.
FILE=./base/data/sounds/effects/camera_click.ogg
mkdir -p "$(dirname "$FILE")" && touch "$FILE"
If you want to get creative, you can make a function:
mktouch() {
if [ $# -lt 1 ]; then
echo "Missing argument...
淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...
...时候我们就需要避免采用数据的ACID事 务策略，转而采用BASE事 务策略，BASE事 务策略是基本可用性，事务软状态以及最终一致性的缩写，通过BASE事务策略，我们可以通过最终一致性来提升系统的可用性，这也是目前很多NOSQL产品...
UITableView Setting some cells as “unselectable”
...RowAtIndexPath:(NSIndexPath *)path
{
// Determine if row is selectable based on the NSIndexPath.
if (rowIsSelectable) {
return path;
}
return nil;
}
This prevents the row from being selected and tableView:didSelectRowAtIndexPath: from being called. Note, however, that this...
nano error: Error opening terminal: xterm-256color
...rying to use top inside a minikube local kubernetes system running as a VM based on buildroot inside Virtualbox on Max OS X. (which is ssh from MacOS into a Buildroot based VM and tgen run top)
– Henning
Aug 10 '17 at 14:50
...
Extract a substring according to a pattern
..._ as a separator and made two separate variables for the prefix and suffix based on @Grothendieck answer: prefix <- sub("_.*", "", variable) and suffix <- sub(".*_", "", variable)
– swihart
Nov 13 '15 at 19:45
...
Sorting a tab delimited file
...transition so tab should work just fine.
However, the columns are indexed base 1 and base 0 so you probably want
sort -k4nr file.txt
to sort file.txt by column 4 numerically in reverse order. (Though the data in the question has even 5 fields so the last field would be index 5.)
...
Rotating x axis labels in R for barplot
...is should be the accepted answer. Works perfectly using a parameter of the base barplot function used in the question.
– jwhaley58
Nov 8 '16 at 15:06
1
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