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What's the purpose of using braces (i.e. {}) for a single-line if or loop?
...f (i % 2 == 0)
j++;
i++;
Of course, this is a silly mistake, but one that even an experienced programmer could make.
Another very good reason is pointed out in ta.speot.is's answer.
A third one I can think of is nested if's:
if (cond1)
if (cond2)
doSomething();
Now, assume y...
How to change an application icon programmatically in Android?
...de. It has a button increment. When pressed, the shortcut is replaced with one that has a new counting number.
First you need these two permissions in your manifest:
<uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
<uses-permission android:name="com.andr...
How do I insert a linebreak where the cursor is without entering into insert mode in Vim?
...
'W' moves one character too far, it moves to the next character after the next whitespace.
– Greg Hewgill
Sep 23 '09 at 22:22
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How do I put two increment statements in a C++ 'for' loop?
...would like to increment two variables in a for -loop condition instead of one.
8 Answers
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Step-by-step debugging with IPython
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(Update on May 28, 2016) Using RealGUD in Emacs
For anyone in Emacs, this thread shows how to accomplish everything described in the OP (and more) using
a new important debugger in Emacs called RealGUD which can operate with any debugger (including ipdb).
The Emacs package isend...
Set environment variables on Mac OS X Lion
When someone says "edit your .plist file" or "your .profile" or ".bash_profile" etc, this just confuses me. I have no idea where these files are, how to create them if I have to do that, etc, and also why there seem to be so many different ones (why? Do they do different things?)
...
What does 'synchronized' mean?
...ce and memory consistency
errors: if an object is visible to
more than one thread, all reads or
writes to that object's variables are
done through synchronized methods.
In a very, very small nutshell: When you have two threads that are reading and writing to the same 'resource', say a vari...
Differences between C++ string == and compare()?
...an t.
If you want your first code snippet to be equivalent to the second one, it should actually read:
if (!s.compare(t)) {
// 's' and 't' are equal.
}
The equality operator only tests for equality (hence its name) and returns a bool.
To elaborate on the use cases, compare() can be useful ...
Should I always use a parallel stream when possible?
...as easy to use a parallel stream. Two examples from the docs , the second one using parallelStream:
6 Answers
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HTML input - name vs. id [duplicate]
...<id>)
Shares same name space as name attribute
Must contain at least one character
Must begin with a letter
Must not contain anything other than letters, numbers, underscores (_), dashes (-), colons (:), or periods (.)
Is case insensitive
In (X)HTML5, everything is the same except:
Name Att...