大约有 40,000 项符合查询结果（耗时：0.0545秒） [XML]
Timing a command's execution in PowerShell
...turn the average, minimum and maximum time taken. You can add -Silent to swallow STDOUT.
– joshuapoehls
Mar 26 '12 at 18:11
13
...
Difference between java.exe and javaw.exe
Recently I noted that some applications are running on javaw (not in java ). What is the difference between them and how can I run my Swing application on javaw ?
...
Why doesn't .NET/C# optimize for tail-call recursion?
...n was responsible for the machine code.
The CLR itself does support tail call optimization, but the language-specific compiler must know how to generate the relevant opcode and the JIT must be willing to respect it.
F#'s fsc will generate the relevant opcodes (though for a simple recursion it may j...
Converting from a string to boolean in Python?
Does anyone know how to do convert from a string to a boolean in Python? I found this link . But it doesn't look like a proper way to do it. I.e. using built-in functionality, etc.
...
How can I use “:” as an AWK field separator?
...
If you want to do it programatically, you can use the FS variable:
echo "1: " | awk 'BEGIN { FS=":" } /1/ { print $1 }'
Note that if you change it in the main loop rather than the BEGIN loop, it takes affect for the next line read in, since the current l...
Portable way to get file size (in bytes) in shell?
On Linux, I use stat --format="%s" FILE , but Solaris I have access to doesn't have stat command. What should I use then?
...
Email address validation using ASP.NET MVC data type attributes
...
Validating email addresses with regex is usually a terrible idea... but if you must, there's an excellent reference here.. regular-expressions.info/email.html
– Molomby
Jul 23 '14 at 4:18
...
How to start an application without waiting in a batch file?
Is there any way to execute an application without waiting in batch file? I have tried the start command but it just creates a new command window.
...
How to define hash tables in Bash?
...ecuting your script directly, or execute script with bash script. (Not actually executing a Bash script with Bash does happen, and will be really confusing!)
You declare an associative array by doing:
declare -A animals
You can fill it up with elements using the normal array assignment operator....
What is a simple command line program or script to backup SQL server databases?
...
There's a good script to backup all user databases in one go here: mssqltips.com/tip.asp?tip=1070
– Marnix van Valen
Sep 22 '09 at 14:47
...