大约有 49,000 项符合查询结果（耗时：0.3084秒） [XML]
Is calculating an MD5 hash less CPU intensive than SHA family functions?
...seems that it has no advantage over sha1. I also tested some cases on real files and the results were always the same in both cases (likely limited by disk I/O).
md5sum of a large 4.6GB file took the exact same time than sha1sum of the same file, same goes with many small files (488 in the same dir...
Add a background image to shape in XML Android
... used the following for a drawable image with a border.
First make a .xml file with this code in drawable folder:
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="oval">
&...
Bash: Strip trailing linebreak from output
...ke:
If you want to remove MULTIPLE newline characters from the end of the file, again use cmd substitution:
printf "%s" "$(< log.txt)"
If you want to strictly remove THE LAST newline character from a file, use Perl:
perl -pe 'chomp if eof' log.txt
Note that if you are certain you have ...
Process.start: how to get the output?
...r proc = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = "program.exe",
Arguments = "command line arguments to your executable",
UseShellExecute = false,
RedirectStandardOutput = true,
CreateNoWindow = true
}
};
then start the proces...
How to add a progress bar to a shell script?
... The question was "How do I do progress bars" with an example of copying files. I focused on the "graphics" problem, not the calculation of how far along a file copy operation is.
– Mitch Haile
May 25 '14 at 5:00
...
What's the point of Spring MVC's DelegatingFilterProxy?
...your application context is defined with ALL THE APPLICATION-CONTEXT (XML) files. For instance: applicationContext.xml AND applicationContext-security.xml.
So try to find a bean called "springSecurityFilterChain" in the latter...
...and probably you can't (for instance if you followed a tutorial o...
Impossible to Install PG gem on my mac with Mavericks
...ning: Could not link postgresql. Unlinking... Error: Could not symlink file:... is not writable. You should change its permissions. And everything is brew fault,after i brew install/link postgresql The installation goes to: Linking /usr/local/Cellar/postgresql/9.3.4... which is in my case a ...
Using braces with dynamic variable names in PHP
...
Wrap them in {}:
${"file" . $i} = file($filelist[$i]);
Working Example
Using ${} is a way to create dynamic variables, simple example:
${'a' . 'b'} = 'hello there';
echo $ab; // hello there
...
What is your favorite C programming trick? [closed]
...ance gain, but these days it's not useful on a lot of hardware. Always profile!
– Dan Olson
Mar 1 '09 at 8:12
6
...
Setting Curl's Timeout in PHP
...
Hello, this code works but source file is 7MB and this download me only 52KB, what could be wrong ? URL is something like webserver.tld/folder/download/…
– Muflix
Aug 24 '14 at 10:33
...