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Remove a character from the end of a variable
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and if you had to use this with a variable, e.g. DIR, then it'd be target=${DIR%/}
– Brad Parks
Oct 4 '18 at 11:23
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Read user input inside a loop
...lar stdin through unit 3 to keep the get it inside the pipeline:
{ cat notify-finished | while read line; do
read -u 3 input
echo "$input"
done; } 3<&0
BTW, if you really are using cat this way, replace it with a redirect and things become even easier:
while read line; do
read...
Is there a way to instantiate a class by name in Java?
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Two ways:
Method 1 - only for classes having a no-arg constructor
If your class has a no-arg constructor, you can get a Class object using Class.forName() and use the newInstance() method to create an instance (though beware that this method is often considered evil because it can defeat Ja...
How to import an existing X.509 certificate and private key in Java keystore to use in SSL?
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Note 2: You might want to add the -chain option to preserve the full certificate chain. (Thanks Mafuba)
Step two: Convert the pkcs12 file to a Java keystore
keytool -importkeystore \
-deststorepass [changeit] -destkeypass [changeit] -destkeystore server.keystore \
-srckeystore se...
Get Root Directory Path of a PHP project
...oes depends where you use __DIR__ . It is relative to the file itself, so if in an include, inside a sub directory, it'll not return just your root directory.
– Iris
Jun 5 '15 at 14:00
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Setting a system environment variable from a Windows batch file?
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Remember you can always check to see if you have this program on your path by typing where and then the name of the program (so in this case where setx.exe in testing this on a Server 2008 and Server 2008SP2 box I found that in both cases it existed at %windir%\...
How do you use gcc to generate assembly code in Intel syntax?
...n't work with .intel_syntax. Also, Clang ignores prefix/noprefix (not sure if it matters if Clang consumes the assembly).
– jww
Sep 26 '15 at 22:34
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How to run `rails generate scaffold` when the model already exists?
...cessary controller and migration files by using the rails generate option. If you run rails generate -h you can see all of the options available to you.
Rails:
controller
generator
helper
integration_test
mailer
migration
model
observer
performance_test
plugin
resource
scaff...
Why there is no ConcurrentHashSet against ConcurrentHashMap
...etFromMap which required you to pass in an empty map object. But it is specific to ConcurrentHashMap.
Anyway, the Java designers could have created a new set interface every time a new map interface was created, but that pattern would be impossible to enforce when third parties create their own map...
Prevent line-break of span element
... content, and as necessary to fill line boxes.
inherit
Takes the same specified value as the property for the element's parent.
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