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What is the size of column of int(11) in mysql in bytes?
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An INT will always be 4 bytes no matter what length is specified.
TINYINT = 1 byte (8 bit)
SMALLINT = 2 bytes (16 bit)
MEDIUMINT = 3 bytes (24 bit)
INT = 4 bytes (32 bit)
BIGINT = 8 bytes (64 bit).
The length just specifies how many characters to pad when selecting data with the ...
How to conditionally push an item in an observable array?
I would like to push a new item onto an observableArray , but only if the item is not already present. Is there any "find" function or recommended pattern for achieving this in KnockoutJS?
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How do I update my bare repo?
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If you want to duplicate all the objects from the main repo, do this inside the main repo:
git push --all <url-of-bare-repo>
Alternatively, do a fetch inside the bare repo:
git fetch <url-of-main-repo>
You c...
How to set username and password for SmtpClient object in .NET?
I see different versions of the constructor, one uses info from web.config, one specifies the host, and one the host and port. But how do I set the username and password to something different from the web.config? We have the issue where our internal smtp is blocked by some high security clients and...
In Objective-C, what is the equivalent of Java's “instanceof” keyword?
...bject ) is assignable (cast-able) to a variable of another type (e.g. SpecifiedType ). In Java, I can write:
3 Answers
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Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
...a map will be constructed, and once it is initialized, it will never be modified again. It will however, be accessed (via get(key) only) from multiple threads. Is it safe to use a java.util.HashMap in this way?
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How can I get device ID for Admob
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If you are running admob ads on an emulator then there is no ID. just use the AdManager method and set it to TEST_EMULATOR like the logcat says. If you run on an actual device with usb debugging and watch the logcat, the ID...
Android List Preferences: have summary as selected value?
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@BaptisteCandellier thanks for the heads-up. If something exists, the Android team will deprecate it. I've added a link to androidx.
– George Hilliard
Jul 1 '19 at 22:02
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How to prove that a problem is NP complete?
...e information C, you can create a polynomial time algorithm V that will verify for every possible input X whether X is in your domain or not.
Example
Prove that the problem of vertex covers (that is, for some graph G, does it have a vertex cover set of size k such that every edge in G has at least o...
is it possible to select EXISTS directly as a bit?
I was wondering if it's possible to do something like this (which doesn't work):
9 Answers
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