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Checking if a folder exists using a .bat file [closed]
...olderA) exists and if so, for a message to be displayed and then the batch file to be exited.
2 Answers
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Why does find -exec mv {} ./target/ + not work?
...h result, command {} is executed. All occurences of {} are replaced by the filename. ; is prefixed with a slash to prevent the shell from interpreting it.
find -exec command {} +
Each result is appended to command and executed afterwards. Taking the command length limitations into account, I guess...
Why is no one using make for Java?
...esolve that dependency.
With basic C, that typically "to convert a main.c file to a main.o file, run "cc main.c".
You can do that in java, but you quickly learn something.
Mostly that the javac compiler is slow to start up.
The difference between:
javac Main.java
javac This.java
javac That.java...
No route matches [GET] /assets
...onfig/environments/production.rb in your application:
config.serve_static_files = false
Or in Rails 5:
# config/environments/production.rb
config.public_file_server.enabled = true
Or set ENV['RAILS_SERVE_STATIC_FILES'] to true.
You can either set to that true or use a real server like Apache ...
Displaying better error message than “No JSON object could be decoded”
Python code to load data from some long complicated JSON file:
11 Answers
11
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Command not found when using sudo
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Permission denied
In order to run a script the file must have an executable permission bit set.
In order to fully understand Linux file permissions you can study the documentation for the chmod command. chmod, an abbreviation of change mode, is the command that is used t...
ASP.NET 2.0 - How to use app_offline.htm
I've read about the app_offline.htm file which can be placed within the root of a .NET 2.0 application which will in essence shut down the application and disable any other pages from being requested.
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How can I initialize a String array with length 0 in Java?
The Java Docs for the method
String[] java.io.File.list(FilenameFilter filter)
includes this in the returns description:
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Facebook Android Generate Key Hash
... I've gotten to the part in the docs where you have to generate a key hash file, it specifies to run the following code
21 ...
Difference between HBase and Hadoop/HDFS
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Hadoop is basically 3 things, a FS (Hadoop Distributed File System), a computation framework (MapReduce) and a management bridge (Yet Another Resource Negotiator). HDFS allows you store huge amounts of data in a distributed (provides faster read/write access) and redundant (provi...