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Is it good practice to make the constructor throw an exception? [duplicate]
...xception is 1) declared, 2) specific to the problem you are reporting, and 3) it is reasonable to expect the caller to deal with a checked exception for this2.
However explicitly declaring or throwing java.lang.Exception is almost always bad practice.
You should pick an exception class that match...
What does “all” stand for in a makefile?
...need
Build file1.o out of file1.c
Build file2.o out of file2.c
Build file3.o out of file3.c
Build executable1 out of file1.o and file3.o
Build executable2 out of file2.o
If you implemented this workflow with makefile, you could make each of the targets separately. For example, if you wrote
mak...
#ifdef replacement in the Swift language
... Apple docs. Here's an example:
#if DEBUG
let a = 2
#else
let a = 3
#endif
Now, you must set the "DEBUG" symbol elsewhere, though. Set it in the "Swift Compiler - Custom Flags" section, "Other Swift Flags" line. You add the DEBUG symbol with the -D DEBUG entry.
As usual, you can set a di...
Is it possible to GROUP BY multiple columns using MySQL?
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GROUP BY col1, col2, col3
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Rails detect if request was AJAX
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Amir RaminfarAmir Raminfar
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jQuery: Adding two attributes via the .attr(); method
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232
Should work:
.attr({
target:"nw",
title:"Opens in a new window",
"data-value":"int...
Generate full SQL script from EF 5 Code First Migrations
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CocoaPods - use specific pod version
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edited Apr 11 '19 at 15:32
Alex Zavatone
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answered May 26 '13...
What does git push origin HEAD mean?
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133
HEAD points to the top of the current branch. git can obtain the branch name from that. So it's...
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
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