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Why should eval be avoided in Bash, and what should I use instead?
Time and time again, I see Bash answers on Stack Overflow using eval and the answers get bashed, pun intended, for the use of such an "evil" construct. Why is eval so evil?
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Remove property for all objects in array
...bject in the array. Is there a better way to do it than using a for loop and deleting it from every object?
12 Answers
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Cryptic “Script Error.” reported in Javascript in Chrome and Firefox
I have a script that detects Javascript errors on my website and sends them to my backend for reporting. It reports the first error encountered, the supposed line number, and the time.
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How to get the current loop index when using Iterator?
I am using an Iterator to iterate through a collection
and I want to get the current element's index.
12 Answers
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Getting the application's directory from a WPF application
...ld use the first alternative. It looks simpler, doesn't have a method call and causes less doubt on what the line actually does when reading.
– Filip
Oct 21 '11 at 3:11
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How do SQL EXISTS statements work?
I'm trying to learn SQL and am having a hard time understanding EXISTS statements. I came across this quote about "exists" and don't understand something:
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Can I use conditional statements with EJS templates (in JMVC)?
and if yes, what is the syntax?
My goal is to prepend an 's' to the word 'comment' when there is more than one. in an jQuery.ejs template in a JMVC app. The following breaks. I can't find any docs for conditionals...
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How to unload a package without restarting R
...ating, but conceivably this could be used in a program to use one function and then another--although namespace referencing is probably a better idea for that use).
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Testing the type of a DOM element in JavaScript
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if you want to get really creative, you can use a dictionary of tagnames and anonymous closures instead if a switch or if/else.
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Should a “static final Logger” be declared in UPPER-CASE?
In Java, static final variables are constants and the convention is that they should be in upper-case. However, I have seen that most people declare loggers in lower-case which comes up as a violation in PMD .
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