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Better way to revert to a previous SVN revision of a file?
I accidentally committed too many files to an SVN repository and changed some things I didn't mean to. (Sigh.) In order to revert them to their prior state, the best I could come up with was
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How to store arrays in MySQL?
...on (
`id` INT NOT NULL PRIMARY KEY,
`name` VARCHAR(50)
);
CREATE TABLE fruits (
`fruit_name` VARCHAR(20) NOT NULL PRIMARY KEY,
`color` VARCHAR(20),
`price` INT
);
CREATE TABLE person_fruit (
`person_id` INT NOT NULL,
`fruit_name` VARCHAR(20) NOT NULL,
PRIMARY KEY(`person_id`, `fruit_name`)
);
Th...
How to use Class in Java?
...the generified version of class Class allows you, among other things, to write things like
Class<? extends Collection> someCollectionClass = someMethod();
and then you can be sure that the Class object you receive extends Collection, and an instance of this class will be (at least) a Collec...
Git: Create a branch from unstaged/uncommitted changes on master
...m working on master adding a simple feature. After a few minutes I realize it was not so simple and it should have been better to work into a new branch.
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Checkbox for nullable boolean
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I got it to work with
@Html.EditorFor(model => model.Foo)
and then making a Boolean.cshtml in my EditorTemplates folder and sticking
@model bool?
@Html.CheckBox("", Model.GetValueOrDefault())
inside.
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Validating URL in Java
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For the benefit of the community, since this thread is top on Google when searching for
"url validator java"
Catching exceptions is expensive, and should be avoided when possible. If you just want to verify your String is a valid URL, ...
How to force an entire layout View refresh?
...o force the main layout resource view to redraw / refresh, in say the Activity.onResume() method. How can I do this ?
17 A...
Access object child properties using a dot notation string [duplicate]
I'm temporarily stuck with what appears to be a very simple JavaScript problem, but maybe I'm just missing the right search keywords!
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How to remove element from array in forEach loop?
... remove an element in an array in a forEach loop, but am having trouble with the standard solutions I've seen.
7 Answers...
How should I print types like off_t and size_t?
...ome older library used a different character than z and discourages use of it. Nevertheless, it's standardized (by the C99 standard). For those intmax_t and int8_t of stdint.h and so on, there are macros you can use, like another answer said:
printf("value: %" PRId32, some_int32_t);
printf("value: ...