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Which characters are valid/invalid in a JSON key name?
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No. Any valid string is a valid key. It can even have " as long as you escape it:
{"The \"meaning\" of life":42}
There is perhaps a chance you'll encounter difficulties loading such values into some languages, which try to associate keys with object field names. I don't know of any such cas...
How to accept Date params in a GET request to Spring MVC Controller?
I've a GET request that sends a date in YYYY-MM-DD format to a Spring Controller.
The controller code is as follows:
5 Answ...
Do I need to store the salt with bcrypt?
... the hash (encoded in a base64-style format).
For example, in traditional Unix passwords the salt was stored as the first two characters of the password. The remaining characters represented the hash value. The checker function knows this, and pulls the hash apart to get the salt back out.
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Not class selector in jQuery
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You need the :not() selector:
$('div[class^="first-"]:not(.first-bar)')
or, alternatively, the .not() method:
$('div[class^="first-"]').not('.first-bar');
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Create a new workspace in Eclipse
I don't see any menu item I can use to create a new workspace.
3 Answers
3
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Break when exception is thrown
Visual Studio has an option to break automatically into the debugger when an unhandled exception is thrown, does Eclipse have similar functionality?
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Can clearInterval() be called inside setInterval()?
...t is working, sometimes it is not. I am wondering if the clearInterval actually clear the timer?? because there is this monitor button that will only be disabled when it is in monitoring function. I have another clearInterval when an element called .outputRemove is clicked. See the code be...
Does a dot have to be escaped in a character class (square brackets) of a regular expression?
A dot . in a regular expression matches any single character. In order for regex to match a dot, the dot has to be escaped: \.
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MySQL get the date n days ago as a timestamp
In MySQL, how would I get a timestamp from, say 30 days ago?
3 Answers
3
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Crontab - Run in directory
I would like to set a job to run daily in the root crontab. But I would like it to execute it from a particular directory so it can find all the files it needs, since the application has a bunch of relative paths.
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