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A variable modified inside a while loop is not remembered
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@AvinashYadav The problem isn't really related to while loop or for loop; rather the use of subshell i.e., in cmd1 | cmd2, cmd2 is in a subshell. So if a for loop is executed in a subshell, the unexpected/problematic behaviour will be exhibited.
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Why isn't there a Guid.IsNullOrEmpty() method
...why Guid in .NET does not have IsNullOrEmpty() method (where empty means all zeros)
6 Answers
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List tables in a PostgreSQL schema
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In all schemas:
=> \dt *.*
In a particular schema:
=> \dt public.*
It is possible to use regular expressions with some restrictions
\dt (public|s).(s|t)
List of relations
Schema | Name | Type | Owner
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Multiple github accounts on the same computer?
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All you need to do is configure your SSH setup with multiple SSH keypairs.
This link is easy to follow (Thanks Eric):
http://code.tutsplus.com/tutorials/quick-tip-how-to-work-with-github-and-multiple-accounts--net-22574
Gen...
How to configure static content cache per folder and extension in IIS7?
...wrong with the [IIS7 resource kit](: amazon.co.uk/dp/0735624410), it's actually quite useful. The Wrox Pro IIS7 book isn't bad either. TBH I learned mostly from the IIS.NET config reference site: iis.net/ConfigReference and from poking about the %systemroot%\system32\inetsrv\config\applicationhost....
How to get execution time in rails console?
I want compare time of execution Post.all and SELECT * FROM posts (or some other statements) How can i get execution time of Post.all ?
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Find method references in Xcode
Is there a way in Xcode to find all the places where a method or property has been been called?
6 Answers
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Understanding Canvas and Surface concepts
...nders these to the final display in their correct Z-order. A surface typically has more than one buffer (usually two) to do double-buffered rendering: the application can be drawing its next UI state while the surface flinger is compositing the screen using the last buffer, without needing to wait ...
Rebasing a branch including all its children
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Should not that be --onto F instead of --onto B, as all these commits are aready onto B, and we move them onto F ?
– Ad N
Sep 27 '16 at 14:46
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Can inner classes access private variables?
...ct of the parent class. You have to make the parent child relationship manually.
#include <string>
#include <iostream>
class Outer
{
class Inner
{
public:
Inner(Outer& x): parent(x) {}
void func()
{
std::string a =...