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Create a list from two object lists with linq
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This can easily be done by using the Linq extension method Union. For example:
var mergedList = list1.Union(list2).ToList();
This will return a List in which the two lists are merged and doubles are removed. If you don't specify a comparer in the Union extension method like in my example, it wil...
Difference between fold and reduce?
... fold and reduce . Fold seems to do the same thing but takes an extra parameter. Is there a legitimate reason for these two functions to exist or they are there to accommodate people with different backgrounds? (E.g.: String and string in C#)
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In log4j, does checking isDebugEnabled before logging improve performance?
I am using Log4J in my application for logging. Previously I was using debug call like:
16 Answers
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Difference between map, applymap and apply methods in Pandas
Can you tell me when to use these vectorization methods with basic examples?
10 Answers
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How do I join two SQLite tables in my Android application?
I have an Android project that has a database with two tables: tbl_question and tbl_alternative .
4 Answers
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git log of a single revision
...t of that exact commit c + metainformation and no other one. Is there a simpler way than git log -p c^..c to do that?
4 A...
Difference between an API and SDK
I am trying to explain to a non-developer the difference between an API an SDK. I need to explain why a commercial fingerprint software vendor will likely not provide an SDK, although they may certainly have used one.
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Is there a way to pass the DB user password into the command line tool mysqladmin?
I currently use the following but it ALWAYS prompts me to manually type the password. Is there any way to pass it in on the command line when launching the executable?
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PHP mail function doesn't complete sending of e-mail
I've tried creating a simple mail form. The form itself is on my index.html page, but it submits to a separate "thank you for your submission" page, thankyou.php , where the above PHP code is embedded.
The code submits perfectly, but never sends an email. How can I fix this?
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PHP DOMDocument loadHTML not encoding UTF-8 correctly
I'm trying to parse some HTML using DOMDocument, but when I do, I suddenly lose my encoding (at least that is how it appears to me).
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