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What are Aggregates and PODs and how/why are they special?
...ns (10.3) and no virtual base classes (10.1), and
— the constructor selected to copy/move each direct base class subobject is trivial, and
— for each non-static data member of X that is of class type (or array thereof), the constructor
selected to copy/move that member is trivial;
...
specify project file of a solution using msbuild
...ution file know which project configuration to use for each project if you selected solution configuration DebugPro.
– Alex
Oct 28 '16 at 17:36
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Difference between float and decimal data type
...0,2), b float);
mysql> insert into numbers values (100, 100);
mysql> select @a := (a/3), @b := (b/3), @a * 3, @b * 3 from numbers \G
*************************** 1. row ***************************
@a := (a/3): 33.333333333
@b := (b/3): 33.333333333333
@a + @a + @a: 99.9999999990000000000000...
Auto code completion on Eclipse
...t auto completion as you type, but also it support import package once you select the auto completion.
Before someone said "Eclipse is free", note that IntelliJ has free community edition as well: www.jetbrains.com/idea/download/
...
What is an index in SQL?
...e file the value is stored.
In MySQL you can use EXPLAIN in front of your SELECT statement to see if your query will make use of any index. This is a good start for troubleshooting performance problems. Read more here:
http://dev.mysql.com/doc/refman/5.0/en/explain.html
...
How to identify unused css definitions
...xtension Dust-Me at https://addons.mozilla.org/en-US/firefox/addon/dust-me-selectors/.
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What's the point of the X-Requested-With header?
... are already loaded. So you can use an AJAX to get the recipe the user has selected but to save time and bandwidth don't load the header/footer/ads.
Now you can just write a secondary endpoint for the data like www.example.com/recipe_only/apple_pie but that's harder to maintain and share to other ...
Reading 64bit Registry from a 32bit application
...ubKey(registryKey);
if (key != null)
{
var list = key.GetSubKeyNames().Select(keyName => key.OpenSubKey(keyName).GetValue("DisplayName")).ToList();
key.Close();
}
For 32 registers is:
registryKey = @"SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall";
key = Registry.Loca...
Find out whether radio button is checked with JQuery?
...cked").val()); it still gives me the value even if the radio button is not selected.
– AndrewC
Jul 24 '12 at 8:08
1
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How to solve WAMP and Skype conflict on Windows 7? [closed]
...lve this problem:
1) SignIn to Skype.
2) Got to the Tools -> options
3) Select the “Advanced” -> Connection
4) Unchecked “Use port 80 and 443 as alternatives for incoming connections” checkbox and click save.
5) Now Signout and SignIn again to skype. (this change will take affect only ...