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What is the use of making constructor private in a class?
...d me would rather prevent an instantiation of utility class than leave out one line private constructor.
– nanda
Jan 14 '10 at 9:40
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MySQL - Rows to Columns
...st, i.e. y-values and x-values
extend the base table with extra columns -- one for each x-value
group and aggregate the extended table -- one group for each y-value
(optional) prettify the aggregated table
Let's apply these steps to your problem and see what we get:
Step 1: select columns of inte...
How to delete an app from iTunesConnect / App Store Connect
...jected I use to see a "delete" button on the summary page. Now I don't see one anymore.
7 Answers
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Difference between private, public, and protected inheritance
...dren (and their children) are aware that Base contains protectedMember.
No one but Base is aware of privateMember.
By "is aware of", I mean "acknowledge the existence of, and thus be able to access".
next:
The same happens with public, private and protected inheritance. Let's consider a class Ba...
How can I profile C++ code running on Linux?
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If your goal is to use a profiler, use one of the suggested ones.
However, if you're in a hurry and you can manually interrupt your program under the debugger while it's being subjectively slow, there's a simple way to find performance problems.
Just halt it sev...
How to avoid explicit 'self' in Python?
...add members which accidentally shadow non-members and thereby break code.
One extreme example: you can write a class without any knowledge of what base classes it might have, and always know whether you are accessing a member or not:
class A(some_function()):
def f(self):
self.member = 42
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Using pg_dump to only get insert statements from one table within database
I'm looking for a way to get all rows as INSERT statements from one specific table within a database using pg_dump in PostgreSQL.
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Git workflow and rebase vs merge questions
I've been using Git now for a couple of months on a project with one other developer. I have several years of experience with SVN , so I guess I bring a lot of baggage to the relationship.
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Deep null checking, is there a better way?
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@Ian: this problem is extremely common. This is one of the most frequent requests that we get.
– Eric Lippert
Feb 8 '10 at 3:29
7
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MongoDB: update every document on one field
...ht for all of these instances of foo. After running that I do a db.foo.findOne() and lastLookedAt is: 1327691719186, which translates to jruby-1.6.5 :011 > Time.at(1327691719186) => Sun Nov 16 02:19:46 -0500 44042
– randombits
Jan 27 '12 at 19:16
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