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Why does typeof array with objects return “object” and not “array”? [duplicate]
Why is an array of objects considered an object, and not an array? For example:
4 Answers
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Shell script - remove first and last quote (") from a variable
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There's a simpler and more efficient way, using the native shell prefix/suffix removal feature:
temp="${opt%\"}"
temp="${temp#\"}"
echo "$temp"
${opt%\"} will remove the suffix " (escaped with a backslash to prevent shell interpretation).
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Why does GitHub recommend HTTPS over SSH?
... HTTPS because it is the easiest to set up on the widest range of networks and platforms, and by users who are new to all this.
There is no inherent flaw in SSH (if there was they would disable it) -- in the links below, you will see that they still provide details about SSH connections too:
HTTP...
difference between scope and namespace of ruby-on-rails 3 routing
I can't understand what the difference is between a namespace and a scope in the routing of ruby-on-rails 3.
5 Answers
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What are database normal forms and can you give examples? [closed]
...imply normalization, which is a process of organizing columns (attributes) and tables (relations) to reduce data redundancy and improve data integrity. (as written on Wikipedia ).
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Why is my git repository so big?
... pulled the wrong remote repository into the local one (git remote add ... and git remote update). After deleting the unwanted remote ref, branches and tags I still had 1.4GB (!) of wasted space in my repository. I was only able to get rid of this by cloning it with git clone file:///path/to/repos...
Good reasons to prohibit inheritance in Java?
... Item 19 of Joshua Bloch's excellent book "Effective Java", called "Design and document for inheritance or else prohibit it". (It's item 17 in the second edition and item 15 in the first edition.) You should really read it, but I'll summarize.
The interaction of inherited classes with their parent...
When and why JPA entities should implement Serializable interface?
The question is in the title. Below I just described some of my thoughts and findings.
14 Answers
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How to bind to a PasswordBox in MVVM
...e security attack vector.
The PasswordBox uses encrypted memory (of sorts) and the only way to access the password is through the CLR property.
I would suggest that when accessing the PasswordBox.Password CLR property you'd refrain from placing it in any variable or as a value for any property.
Ke...
Checking in of “commented out” code [closed]
Ok, here is something that has caused some friction at my current job and I really didn't expect it to. Organized in house software development is a new concept here and I have drawn up a first draft of some coding guidelines.
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