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Difference between .tagName and .nodeName
...2815
btw the Node interface is implemented by every node in the DOM tree (including the document object itself). The Element interface is implemented only by those nodes in the DOM tree that represent elements in an HTML document (nodes with nodeType === 1) .
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How to check if a string “StartsWith” another string?
...th shim, or
The es6-shim, which shims as much of the ES6 spec as possible, including String.prototype.startsWith.
Once you've shimmed the method (or if you're only supporting browsers and JavaScript engines that already have it), you can use it like this:
"Hello World!".startsWith("He"); // true
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How to list only the file names that changed between two commits?
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git diff --name-only SHA1 SHA2
where you only need to include enough of the SHA to identify the commits. You can also do, for example
git diff --name-only HEAD~10 HEAD~5
to see the differences between the tenth latest commit and the fifth latest (or so).
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Insert into … values ( SELECT … FROM … )
... only the columns that are set to NOT NULL and no default value need to be included, any other columns will be set to their default values or NULL
– travis
Feb 24 at 16:49
add...
Exploring Docker container's file system
...the precise time moment. Container is still running, no future changes are included.
You can later delete snapshot using (filesystem of the running container is not affected!):
docker rmi mysnapshot
Alternate method 2
ssh
If you need continuous access, you can install sshd to your container and...
Lodash - difference between .extend() / .assign() and .merge()
...://jsbin.com/uXaqIMa/2/edit?js,console
Here's more elaborate version that includes array in the example as well:
http://jsbin.com/uXaqIMa/1/edit?js,console
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Will using goto leak variables?
...wing mechanics that prevent you from doing "bad things" with labels (which includes case labels).
1. Label scope
You can't jump across functions:
void f() {
int x = 0;
goto lol;
}
int main() {
f();
lol:
return 0;
}
// error: label 'lol' used but not defined
[n3290: 6.1/1]: [....
How do I exchange keys with values in a dictionary?
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From Python 2.7 on, including 3.0+, there's an arguably shorter, more readable version:
>>> my_dict = {'x':1, 'y':2, 'z':3}
>>> {v: k for k, v in my_dict.items()}
{1: 'x', 2: 'y', 3: 'z'}
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What is so special about Generic.xaml?
...data in the static constructor, but you then have to supply the full style including ControlTemplate.
Note that you can tell WPF to look in an external assembly for your default style by using the ThemeInfo attribute. The external assembly must be named <YourAssembly>.<ThemeName>.dll e....
How should I edit an Entity Framework connection string?
... the designer and chose Update Model From Database. The wizard then let me include the sensitive info (uid & pwd) in the connection string. Thanks!
– DeveloperDan
Mar 14 '11 at 15:41
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