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Simple argparse example wanted: 1 argument, 3 results
... you want it to be, whatever 'a' represents. If you expect one argument, a file name for example, it is what was entered as the file name on the command line. You could then do your own processing to determine whether it exists in the filesystem, but that is another Q&A.
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Regular expression to match URLs in Java
...ll as a proper string beginning placeholder.
String regex = "^(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]";
This works too:
String regex = "\\b(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]";
Note:
String regex = "<\\b(ht...
Is mongodb running?
...ep' command will always also show up as a separate process.
check the log file /var/log/mongo/mongo.log to see if there are any problems reported
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How to check certificate name and alias in keystore files?
I have a bunch of .keystore files and need to find one with specific CN and alias. Is there a way to do it with keytool, jarsigner or some other tool? I found a way to check if specific keystore was used to sign a specific apk, but I also need to get the alias and certificate name in each of the fil...
PHP Warning: PHP Startup: Unable to load dynamic library
... extension=... or zend_extension=... line in one of your php configuration files (php.ini, or another close to it) that is trying to load that extension : ixed.5.2.lin
Unfortunately that file or path doesn't exist or the permissions are incorrect.
Try to search in the .ini files that are loaded b...
How do I find which rpm package supplies a file I'm looking for?
As an example, I am looking for a mod_files.sh file which presumably would come with the php-devel package. I guessed that yum would install the mod_files.sh file with the php-devel x86_64 5.1.6-23.2.el5_3 package, but the file appears to not to be installed on my filesystem.
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How to create empty text file from a batch file?
Can somebody remember what was the command to create an empty file in MSDOS using BAT file?
13 Answers
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Loading local JSON file
I'm trying to load a local JSON file but it won't work. Here is my JavaScript code (using jQuery):
23 Answers
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How to redirect and append both stdout and stderr to a file with Bash?
To redirect stdout to a truncated file in Bash, I know to use:
7 Answers
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How to run Nginx within a Docker container without halting?
... in the foreground. If it's inconvenient to put this in the configuration file, we can specify it directly on the command line. This makes it easy to run in debug mode (foreground) and directly switch to running in production mode (background) by changing command line args.
To run in foreground:
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