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Altering a column: null to not null
...semantics of NULL can have a few meanings. One of the common meaning is UNKNOWN. Take SCORE as an example. A null SCORE and a ZERO SCORE is a world of difference! Before you did the above recommendations. Make sure you application does not take null in its business logic.
– Tec...
How to set UITextField height?
...tField to check its height. Use this to set up your height constraint, and now you can change the borderStyle back to the rounded one.
– Benjohn
Aug 6 '15 at 16:37
...
Store pictures as files or in the database for a web app?
My question is fairly generic and I know there might not be an 100% answer to it. I'm building an ASP .NET web solution that will include a lot of pictures and hopefully a fair amount of traffic. I do really want to achieve performance.
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How do I encode/decode HTML entities in Ruby?
...edited Aug 2 '16 at 13:27
Sidhannowe
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answered Nov 20 '10 at 21:59
memonk...
How to add 'ON DELETE CASCADE' in ALTER TABLE statement
...d try your above command, put add constraint instead of modify constraint.
Now this is the command:
ALTER TABLE child_table_name
ADD CONSTRAINT fk_name
FOREIGN KEY (child_column_name)
REFERENCES parent_table_name(parent_column_name)
ON DELETE CASCADE;
...
What does (x ^ 0x1) != 0 mean?
...
Hey, you don't know the context. If x is some kind of bit flag, it is IMO actually more clear to write it as it is now than using the != operator.
– Spook
Dec 19 '13 at 10:57
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How to make an element width: 100% minus padding?
...
This is why we have box-sizing in CSS.
I’ve edited your example, and now it works in Safari, Chrome, Firefox, and Opera. Check it out: http://jsfiddle.net/mathias/Bupr3/
All I added was this:
input {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: bor...
Where is git.exe located?
...ersus \bin)
From GitHub Desktop 1.1
The UI is different and the Git path now is in:
C:\Users\<username>\AppData\Local\GitHubDesktop\app-<appversion>\resources\app\git\cmd\git.exe
PS: AppData is a hidden folder by default.
...
Encode URL in JavaScript?
...:, /, @ etc. These 2 methods are not to be used interchangeable, you must know what you are encoding to use the right method.
– Buu Nguyen
Mar 6 '13 at 19:32
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Is it possible to use pip to install a package from a private GitHub repository?
...stname github.com:echweb:
nodename nor servname provided, or not known
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