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Primary key/foreign Key naming convention [closed]
...e the USING syntax in SQL to save some typing and some boilerplate noise:
SELECT name, address, amount
FROM employees JOIN payroll USING (employee_id)
Another argument in favor of convention #2 is that it's the way the relational model was designed.
The significance of each column is
part...
Link and execute external JavaScript file hosted on GitHub
...ttp://www.requestly.in
Go to Rules Page
Click on Add Icon to create a rule
Select Modify Headers
Give a Name and Descripton
Select Remove -> Response -> X-Content-Type-Options
In Source field, enter Url -> Contains -> raw.githubusercontent.com
Solution 2: Use Replace host Rule
Instal...
Get the current displaying UIViewController on the screen in AppDelegate.m
...return [UIWindow getVisibleViewControllerFrom:[((UITabBarController *) vc) selectedViewController]];
} else {
if (vc.presentedViewController) {
return [UIWindow getVisibleViewControllerFrom:vc.presentedViewController];
} else {
return vc;
}
}
}...
How do I focus on one spec in jasmine.js?
...t really like the idea of editing my tests (fit and fdescribe) to run them selectively. I prefer to use a test runner like karma which can filter out tests using a regular expression.
Here's an example using grunt.
$ grunt karma:dev watch --grep=mypattern
If you're using gulp (which is my favour...
Add IIS 7 AppPool Identities as SQL Server Logons
...it does not appear to be a valid AD name so when you search for it in the "Select User or Group" dialog box, it won't show up (actually, it will find it, but it will think its an actual system account, and it will try to treat it as such...which won't work, and will give you the error message about ...
How to iterate over values of an Enum having flags?
... .Split(new[] { ", " }, StringSplitOptions.None)
.Select(v => (Items)Enum.Parse(typeof(Items), v));
// This method will always end up with the most applicable values
value = Items.Bar | Items.Baz;
values = value.ToString()
.Split(new[] { ", " }, StringSplit...
Maven Install on Mac OS X
...t:~$ sudo port install maven3 will Install Maven 3.0
you@host:~$ sudo port select --set maven maven3 selects that version of Maven
Installing by hand:
Download Maven from its homepage
Follow the installation instructions:
Extract the distribution archive, i.e.apache-maven-3.3.9-bin.tar.gz to th...
Add shadow to custom shape on Android
...;/shape>
</item>
</layer-list>
Then you should have a selector with diferent versions of the button, something like:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawabl...
Unique random string generation
...ncat(
Enumerable
.Repeat(0, int.MaxValue)
.Select(e => RandomByte())
.Where(randomByte => randomByte < outOfRange)
.Take(length)
.Select(randomByte => alphabet[randomByte % alphabet.Length])
);
}
byte RandomByte()
{...
Should I compile with /MD or /MT?
...nes _MT so that multithread-specific versions of the run-time routines are selected from the standard header (.h) files. This option also causes the compiler to place the library name LIBCMT.lib into the .obj file so that the linker will use LIBCMT.lib to resolve external symbols. Either /MT or /MD ...