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Java SecurityException: signer information does not match
I recompiled my classes as usual, and suddenly got the following error message. Why? How can I fix it?
18 Answers
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How can I recover a lost commit in Git?
...reflog is your friend. Find the commit that you want to be on in that list and you can reset to it (for example:git reset --hard e870e41).
(If you didn't commit your changes... you might be in trouble - commit early, and commit often!)
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Read a file line by line assigning the value to a variable
...cho "Text read from file: $line"
done < my_filename.txt
This is the standard form for reading lines from a file in a loop. Explanation:
IFS= (or IFS='') prevents leading/trailing whitespace from being trimmed.
-r prevents backslash escapes from being interpreted.
Or you can put it in a bash...
Choosing between qplot() and ggplot() in ggplot2 [closed]
I'm starting to use the great ggplot2 package for plotting in R, and one of the first things I ask myself before each plot is "well, will I use qplot or ggplot ?"
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Is the list of Python reserved words and builtins available in a library?
Is the list of Python reserved words and builtins available in a library? I want to do something like:
1 Answer
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How do you stretch an image to fill a while keeping the image's aspect-ratio?
... The solution is almost right, you just have to invert the height and width in the css : if the image is 'tall', then the width should be 100% not the height (wich will be bigger and overflowing). The other way around for the wide photos.
– mbritto
Ju...
How can I strip all punctuation from a string in JavaScript using regex?
...ly a quantifier to the preceding, so in this case it's replacing between 2 and 100 whitespace characters (\s) with a single space. If you want to collapse any number of whitespace characters down to one, you would leave off the upper limit like so: replace(/\s{2,}/g, ' ').
– Mi...
How to build jars from IntelliJ properly?
I have a project that contains a single module, and some dependencies.
I'd like to create a jar, in a separate directory, that contains the compiled module. In addition, I'd like to have the dependencies present beside my module.
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What to gitignore from the .idea folder?
I started using WebStorm for web development and am not sure what to add and what to exclude from our Git repository. Clearly some files inside the .idea folder are meant to be version controlled like the external library settings ( jsLibraryMappings.xml ) but others will probably change very ofte...
List of foreign keys and the tables they reference
...o find a query which will return me a list of the foreign keys for a table and the tables and columns they reference. I am half way there with
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