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How do you execute an arbitrary native command from a string?
I can express my need with the following scenario: Write a function that accepts a string to be run as a native command.
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How can I format my grep output to show line numbers at the end of the line, and also the hit count?
...p -in null myfile.txt
2:example two null,
4:example four null,
Combine with awk to print out the line number after the match:
$ grep -in null myfile.txt | awk -F: '{print $2" - Line number : "$1}'
example two null, - Line number : 2
example four null, - Line number : 4
Use command substitutio...
Error 1022 - Can't write; duplicate key in table
...an't understand where the duplication is taking place. Can anyone else see it?
9 Answers
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How do I check if a file exists in Java?
The only similar question on SO deals with writing the file and was thus answered using FileWriter which is obviously not applicable here.
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How to check which version of v8 is installed with my NodeJS?
How is V8 installed along with NodeJs? What version is my current V8 engine?
12 Answers
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What is the size of ActionBar in pixels?
...);
If you need to understand where this is defined:
The attribute name itself is defined in the platform's /res/values/attrs.xml
The platform's themes.xml picks this attribute and assigns a value to it.
The value assigned in step 2 depends on different device sizes, which are defined in various ...
How to tell if a browser is in “quirks” mode?
Let's suppose you have a page with a relatively strict doctype and HTML markup that's pretty close to compliant, but perhaps misses in a few silly ways, perhaps because of user content that's out of your control... say you're working on a content management system or a theme for a content management...
Where can I find Android source code online? [closed]
...rything is mirrored on omapzoom.org. Some of the code is also mirrored on github.
Contacts is here for example.
Since December 2019, you can use the new official public code search tool for AOSP: cs.android.com. There's also the
Android official source browser (based on Gitiles) has a web view of ...
Initial bytes incorrect after Java AES/CBC decryption
What's wrong with the following example?
10 Answers
10
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How to check what user php is running as?
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If available you can probe the current user account with posix_geteuid and then get the user name with posix_getpwuid.
$username = posix_getpwuid(posix_geteuid())['name'];
If you are running in safe mode however (which is often the case when exec is disabled), then it's unl...