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What is referential transparency?
...uages" is available on the web. It is a beautiful paper and everybody can read and understand it. So, please do so. You will be much enlightened. He introduces the term "referential transparency" in this paragraph:
One of the most useful properties of expressions is that called by Quine refe...
How to check if multiple array keys exists
...for checking if an array has two members present, they must not like clear readable code or performance :)
– alex
Mar 16 '16 at 8:30
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Input and Output binary streams using JERSEY?
...ered Aug 17 '10 at 14:48
MikeTheReaderMikeTheReader
4,02533 gold badges1818 silver badges3838 bronze badges
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What does character set and collation mean exactly?
I can read the MySQL documentation and it's pretty clear. But, how does one decide which character set to use? On what data does collation have an effect?
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What exactly are DLL files, and how do they work?
...rocAddress to load a function or LoadResource to load a resource.
Further reading:
Please check MSDN or Wikipedia for further reading. Also the sources of this answer.
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How to pass an array within a query string?
...e fields or arrays would be:
?cars[]=Saab&cars[]=Audi (Best way- PHP reads this into an array)
?cars=Saab&cars=Audi (Bad way- PHP will only register last value)
?cars=Saab,Audi (Haven't tried this)
Form Examples
On a form, multi-valued fields could take the form of a select box set to m...
I ran into a merge conflict. How can I abort the merge?
...ocal and remote versions of the file in the index. (This is where they are read from for use in a 3-way diff tool by git mergetool.) You can use git show to view them.
# common base:
git show :1:_widget.html.erb
# 'ours'
git show :2:_widget.html.erb
# 'theirs'
git show :3:_widget.html.erb
The s...
Replace one substring for another string in shell script
...e variable $HOME contains slashes but this didn't break anything.
Further reading: Advanced Bash-Scripting Guide.
If using sed is a must, be sure to escape every character.
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How to check whether a string is Base64 encoded or not
...it sets boolean isBase64=true even though it's not a Base64 encoded value. Read the source for commons-codec-1.4 Base64.isArrayByteBase64() it only checks that each character in the string is valid to be considered for Base64 encoding and allows white space.
– Brad
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Javascript object Vs JSON
...wever, you can't send a chest-of-drawers in the post, so you dismantle it (read, stringify it). It's now useless in terms of furniture. It is now JSON. Its in flat pack form.
{"color":"red","numberOfDrawers":4}
When you receive it, you then rebuild the chest-of-drawers (read, parse it). Its now b...