大约有 40,000 项符合查询结果（耗时：0.0346秒） [XML]
Format a number as 2.5K if a thousand or more, otherwise 900
...otherwise if under a thousand, display normal 500, 100, 250 etc, using javascript to format the number?
29 Answers
...
How do I clear only a few specific objects from the workspace?
...n can be used to remove all the variables apart from "data". Here is the script:
0->data
1->data_1
2->data_2
3->data_3
#check variables in workspace
ls()
rm(list=setdiff(ls(), "data"))
#check remaining variables in workspace after deletion
ls()
#note: if you just use rm(list) then R ...
What does “@” mean in Windows batch scripts
...f this display. The command "echo off" turns off the display for the whole script, except for the "echo off" command itself. The "at" sign "@" in front makes the command apply to itself as well.
share
|
...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
Looking at a Get-WebFile script over on PoshCode, http://poshcode.org/3226 , I noticed this strange-to-me contraption:
6 A...
What does `kill -0 $pid` in a shell script do?
...defunct (i.e. Zombie).
More explicitly, a useful function for your shell scripts would be:
function isProcess ()
{
kill -s EXIT $1 2> /dev/null
}
This returns no text to stdout upon success, but an error message to stderr upon failure (but I have redirected that error message to /dev/nul...
Can Powershell Run Commands in Parallel?
I have a powershell script to do some batch processing on a bunch of images and I'd like to do some parallel processing. Powershell seems to have some background processing options such as start-job, wait-job, etc, but the only good resource I found for doing parallel work was writing the text of a...
How to normalize a path in PowerShell?
...icated either, personally, I disdain the solutions that depend on external scripts for this, it's simple problem solved rather aptly by Join-Path and pwd (GetFullPath is just to make it pretty). If you only want to keep only the relative part, you just add .Substring((pwd).Path.Trim('\').Length + 1)...
Why can't radio buttons be “readonly”?
...our first solution is that if I want to enable the radiobutton through javascript, I suddenly have two fields with the same name, so I have to clean up one of them. Or use the hidden one for real and have the radio button just set the value of the hidden field. Ether way, it's just a bit more cumber...
How do I extract the contents of an rpm?
...
For those who do not have rpm2cpio, here is the ancient rpm2cpio.sh script
that extracts the payload from a *.rpm package.
Reposted for posterity … and the next generation.
Invoke like this:
./rpm2cpio.sh .rpm | cpio -dimv
#!/bin/sh
pkg=$1
if [ "$pkg" = "" -o ! -e "$pkg" ]; then
...
How do you share code between projects/solutions in Visual Studio?
...t you can perform your automated builds in an appropriate order via custom scripts. Basically treat your common library as if it were another third party dependency like NUnit etc.
share
|
improve t...