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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 | ?{ $_.PSIsContain...
Check if option is selected with jQuery, if not select a default
...is quite a bit easier to understand, especially if one does not understand base JavaScript.
– shmeeps
Jul 22 '11 at 16:29
6
...
Unix - create path of folders and file
...
You need to make all of the parent directories first.
FILE=./base/data/sounds/effects/camera_click.ogg
mkdir -p "$(dirname "$FILE")" && touch "$FILE"
If you want to get creative, you can make a function:
mktouch() {
if [ $# -lt 1 ]; then
echo "Missing argument...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...a list of many others) is that it tends to artificially favor lookup table based solutions. Since the benchmark is repeating the one operation in a loop, it will often find that using a lookup table that just fits in L1 is the fastest, because everything will hit in L1 every time since there is no c...
Rails: How does the respond_to block work?
...is (using JS-like pseudocode):
// get an instance to a responder from the base class
var format = get_responder()
// register html to render in the default way
// (by way of the views and conventions)
format.register('html')
// register json as well. the argument to .json is the second
// argumen...
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
...
How to get users to read error messages?
...e able to give you a more coherent explanation instead of 'Error 1304, database object lost!', instead they may be able to say 'I clicked on this so and so, then somebody pulled the network cable of the machine accidentally', this will clue you in on having to deal with it and may modify the error t...
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.)
...