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Convert pem key to ssh-rsa format
I have a certificate in der format, from it with this command I generate a public key:
8 Answers
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Java - removing first character of a string
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Its important to note that this doesn't actually remove the character from the string -- it gives you a new string that has all the characters of the old string except the first one. There's no way to actually modify a string.
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Correct way to remove plugin from Eclipse
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Using the menus, open
Help | Installation Details (in newer versions), or
Help | About Eclipse | Installation details (in older versions).
In the "Installed software" tab click on the software that you wish to uninstall, then click the "Uninstall..." button below.
If you installed the plug-in ...
How to filter git diff based on file extensions?
...hell then it will match at any level so something like this (quotes are important) should work fine.
git diff -- '*.c' '*.h'
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Batch file: Find if substring is in string (not in a file)
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Yes, you can use substitutions and check against the original string:
if not x%str1:bcd=%==x%str1% echo It contains bcd
The %str1:bcd=% bit will replace a bcd in str1 with an empty string, making it different from the original.
If the original didn't contain a bcd string in...
Sort a Map by values
I am relatively new to Java, and often find that I need to sort a Map<Key, Value> on the values.
58 Answers
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Calculating the difference between two Java date instances
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The JDK Date API is horribly broken unfortunately. I recommend using Joda Time library.
Joda Time has a concept of time Interval:
Interval interval = new Interval(oldTime, new Instant());
EDIT: By the way, Joda has two concepts: Interval for...
disable all form elements inside div
...ble all fields (textarea/textfield/option/input/checkbox/submit etc) in a form by telling only the parent div name in jquery/javascript?
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What is __init__.py for?
What is __init__.py for in a Python source directory?
12 Answers
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Is it possible to await an event instead of another async method?
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You can use an instance of the SemaphoreSlim Class as a signal:
private SemaphoreSlim signal = new SemaphoreSlim(0, 1);
// set signal in event
signal.Release();
// wait for signal somewhere else
await signal.WaitAsync();
Alternatively, you can use an inst...