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sys.argv[1] meaning in script
...ed by zero-based integers, you can get the individual items using the list[0] syntax. For example, to get the script name:
script_name = sys.argv[0] # this will always work.
Although interesting, you rarely need to know your script name. To get the first argument after the script for a filename, ...
Clear back stack using fragments
...tp://groups.google.com/group/android-developers/browse_thread/thread/d2a5c203dad6ec42
I ended up just using:
FragmentManager fm = getActivity().getSupportFragmentManager();
for(int i = 0; i < fm.getBackStackEntryCount(); ++i) {
fm.popBackStack();
}
But could equally have used somethin...
AWS S3: how do I see how much disk space is using
...| grep -v -E "(Bucket: |Prefix: |LastWriteTime|^$|--)" | awk 'BEGIN {total=0}{total+=$3}END{print total/1024/1024" MB"}'
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Php multiple delimiters in explode
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answered Feb 10 '11 at 9:45
SergeSSergeS
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Hash Code and Checksum - what's the difference?
... if you search for good techniques for checksums, you may find a different set of algorithms than when searching for hash codes.
– ToolmakerSteve
Mar 1 '18 at 4:45
add a comme...
Primary key/foreign Key naming convention [closed]
...thing and the app just calls stored procedures. It is nice to have result sets with complete column names, especially when there are many tables joined and many columns returned. With this stype of application, I like option 2. I really like to see column names match on joins. I've worked on old...
Converting JavaScript object with numeric keys into array
..., in that case a run through JSON.parse would be necessary as well.
In ES2015 there's Object.values to the rescue, which makes this a breeze
var arr = Object.values(obj);
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表情配对 · App Inventor 2 中文网
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How do you beta test an iphone app?
...ng profile that will work with multiple apps, and added a beta tester.
My setup:
Xcode 3.2.1
iPhone SDK 3.1.3
Before you get started, make sure that..
You can run the app on your own iPhone through Xcode.
Step A: Add devices to the Provisioning Portal
Send an email to each beta tester wit...
How to create a bash script to check the SSH connection?
...h -q user@downhost exit
$ echo $?
255
$ ssh -q user@uphost exit
$ echo $?
0
EDIT: Another approach would be to use nmap (you won't need to have keys or login-stuff):
$ a=`nmap uphost -PN -p ssh | grep open`
$ b=`nmap downhost -PN -p ssh | grep open`
$ echo $a
22/tcp open ssh
$ echo $b
(empty st...