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How do I use shell variables in an awk script?
...awk '{print var}' var="${variable}"
or
awk '{print var}' var="${variable}" file
Adding multiple variables:
awk '{print a,b,$0}' a="$var1" b="$var2" file
In this way we can also set different Field Separator FS for each file.
awk 'some code' FS=',' file1.txt FS=';' file2.ext
Variable after...
Could not load file or assembly 'Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=3
...hat I deleted Json.Net's <dependentAssembly> section from my .config file. Reinstall brings it back if it's not there and apparently you need to delete it. Until there will be a normal solution in the package itself, I'm afraid this manual step is a must.
Note: Please read the comments below ...
Difference between File.separator and slash in paths
What is the difference between using File.separator and a normal / in a Java Path-String?
14 Answers
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android studio 0.4.2: Gradle project sync failed error
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I'm assuming I can answer my own question....
This worked for me.
File -> Invalidate caches / Restart
Shutdown Android Studio
Rename/remove .gradle folder in the user home directory
Restart Android Studio let it download all the Gradle stuff it needs
Gradle build success !
Rebuild projec...
Setting mime type for excel document
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I believe the standard MIME type for Excel files is application/vnd.ms-excel.
Regarding the name of the document, you should set the following header in the response:
header('Content-Disposition: attachment; filename="name_of_excel_file.xls"');
...
What are the performance characteristics of sqlite with very large database files? [closed]
I know that sqlite doesn't perform well with extremely large database files even when they are supported (there used to be a comment on the sqlite website stating that if you need file sizes above 1GB you may want to consider using an enterprise rdbms. Can't find it anymore, might be related to an o...
How can I save my secret keys and password securely in my version control system?
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You're exactly right to want to encrypt your sensitive settings file while still maintaining the file in version control. As you mention, the best solution would be one in which Git will transparently encrypt certain sensitive files when you push them so that locally (i.e. on any machine ...
How to port data-only volumes from one host to another?
...kup: bind mount the current directory into the container; to write the tar file to
busybox: a small simpler image - good for quick maintenance
tar cvf /backup/backup.tar /data: creates an uncompressed tar file of all the files in the /data directory
RESTORE:
# create a new data container
$ sudo...
How do I use Wget to download all images into a single folder, from a URL?
...ive Download for more information.
-P sets the directory prefix where all files and directories are saved to.
-A sets a whitelist for retrieving only certain file types. Strings and patterns are accepted, and both can be used in a comma separated list (as seen above). See Types of Files for more i...
How do I “decompile” Java class files? [closed]
What program can I use to decompile a class file? Will I actually get Java code, or is it just JVM assembly code?
19 Answer...