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Why would one use nested classes in C++?
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Nested classes are cool for hiding implementation details.
List:
class List
{
public:
List(): head(nullptr), tail(nullptr) {}
private:
class Node
{
public:
int data;
Node* next;
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ALTER TABLE, set null in not null column, PostgreSQL 9.1
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ALTER TABLE person ALTER COLUMN phone DROP NOT NULL;
More details in the manual: http://www.postgresql.org/docs/9.1/static/sql-altertable.html
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Failed to load resource: net::ERR_INSECURE_RESPONSE
... click the https left icon on adressbar > certificate informations > details > export. Then, use this file
– Rémi Becheras
Mar 2 '15 at 12:42
1
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Can media queries resize based on a div element instead of the screen?
... using modern techniques.
Its made up (I believe) by Heydon Pickering. He details the process here: http://www.heydonworks.com/article/the-flexbox-holy-albatross
Chris Coyier picks it up and works through a demo of it here: https://css-tricks.com/putting-the-flexbox-albatross-to-real-use/
To rest...
How do you increase the max number of concurrent connections in Apache?
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Here's a detailed explanation about the calculation of MaxClients and MaxRequestsPerChild
http://web.archive.org/web/20160415001028/http://www.genericarticles.com/mediawiki/index.php?title=How_to_optimize_apache_web_server_for_maximu...
What is the current directory in a batch file?
...ull path to the batch file. See robvanderwoude.com/parameters.php for more details.
– deadlydog
Jul 11 '13 at 20:08
6
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msbuild.exe staying open, locking files
.... Is causes the same symptoms: connect.microsoft.com/VisualStudio/feedback/details/728912/…
– Cameron Taggart
Apr 14 '12 at 1:37
3
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Difference between Google APIs (x86 System Image) and Google APIs (ARM System Image) in Android 4.4.
...Atom System Image and (2) Google APIs (x86 System Image) See here for more details: software.intel.com/en-us/blogs/2014/03/06/…
– user64141
Oct 16 '14 at 18:01
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git: Your branch is ahead by X commits
... @Parag, also stackoverflow.com/questions/7365415/… answer discusses the details of ORIG_HEAD and FETCH_HEAD going out of sync, causing the status warning, and possible config file corrections.
– Anatortoise House
Dec 3 '14 at 20:38
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How to force a SQL Server 2008 database to go Offline
...l existing connections. See http://www.blackwasp.co.uk/SQLOffline.aspx for details
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