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Add up a column of numbers at the Unix shell
Given a list of files in files.txt , I can get a list of their sizes like this:
20 Answers
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app-release-unsigned.apk is not signed
I downloaded the zip file of an Android app on github and I'm trying to run it, but I get a dialog with this message
17 Ans...
nodejs require inside TypeScript file
... a set of default definitions for window, document and such specified in a file called lib.d.ts. If I do a grep for require in this file I can find no definition of a function require. Hence, we have to tell the compiler ourselves that this function will exist at runtime using the declare syntax:
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file_put_contents(meta/services.json): failed to open stream: Permission denied
...permission issue caused by different users trying to write at the same log file within the storage/logs folder with different permissions.
What happens is your laravel config probably is setup to log errors daily and therefore your webserver (apache/nginx) might create this file under a default use...
Creating a simple XML file using python
What are my options if I want to create a simple XML file in python? (library wise)
6 Answers
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Effects of the extern keyword on C functions
...tion.
At first, I thought that when defining extern int f(); in a single file forces you to implement it outside of the file's scope. However I found out that both:
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Compiling C++ on remote Linux machine - “clock skew detected” warning
... to my university's small Linux cluster via PuTTY and WinSCP, transferring files using the latter and compiling and running them with the former. My work so far has been performed in the university's labs, but today I have been doing some work at home that generated an interesting warning.
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Java Error opening registry key
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Can you please tell me what is the effect of these files in system32 folder ?
– Rabia Naz khan
Jul 12 '16 at 5:50
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Test whether a glob has any matches in bash
If I want to check for the existence of a single file, I can test for it using test -e filename or [ -e filename ] .
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How do you normalize a file path in Bash?
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if you're wanting to chomp part of a filename from the path, "dirname" and "basename" are your friends, and "realpath" is handy too.
dirname /foo/bar/baz
# /foo/bar
basename /foo/bar/baz
# baz
dirname $( dirname /foo/bar/baz )
# /foo
realpath ../foo
# .....