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Why do we use Base64?
... and Base64 encoding are interchangeable. They are not. They are used for different purposes.
When you encode text in ASCII, you start with a text string and convert it to a sequence of bytes.
When you encode data in Base64, you start with a sequence of bytes and convert it to a text string.
To...
Specifying a custom DateTime format when serializing with Json.Net
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You are on the right track. Since you said you can't modify the global settings, then the next best thing is to apply the JsonConverter attribute on an as-needed basis, as you suggested. It turns out Json.Net already has a built-in IsoDateTimeConverter that lets you specify the d...
AsyncTaskLoader vs AsyncTask
...dle Activity configuration changes more easily, and it behaves within the life cycles of Fragments and Activities. The nice thing is that the AsyncTaskLoader can be used in any situation that the AsyncTask is being used. Anytime data needs to be loaded into memory for the Activity/Fragment to handle...
Python non-greedy regexes
...owerful *?
From the docs, Greedy versus Non-Greedy
the non-greedy qualifiers *?, +?, ??, or {m,n}? [...] match as little
text as possible.
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Rails migrations: self.up and self.down versus change
...me kind of operation you still need to define the down method, for example if you change the precision of a decimal column how to guess the original precision on rollback? It's not possible, so you need to define the down method.
As said, I suggest you to read the Rails Migrations Guide.
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When annotating a class with @Component, does this mean it is a Spring Bean and Singleton?
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Yes, that is correct, @Component is a Spring bean and a Singleton.
If the class belongs to the service layer you may want to annotate it with @Service instead
But have in mind that in order for these annotations to be detected, you need to place this line in applicationContext.xml:
<con...
SQL-Server: The backup set holds a backup of a database other than the existing
...ile
providing the source to restore.
Also change the file names at "Files" if the other database still exists. Otherwise you get "The file '...' cannot be overwritten. It is being used by database 'yourFirstDb'".
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How can I get a favicon to show up in my django app?
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If you have a base or header template that's included everywhere why not include the favicon there with basic HTML?
<link rel="shortcut icon" type="image/png" href="{% static 'favicon.ico' %}"/>
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Git Tag list, display commit sha1 hashes
... SHA1 hash of the tag, followed by the tag name prefixed with refs/tags/.
If you want the SHA1 hash of the commit, instead of the tag object, you can run:
git show-ref --tags -d
This will produce output like:
0e76920bea4381cfc676825f3143fdd5fcf8c21f refs/tags/1.0.0
3e233dd8080617685992dc6346f73...
How to prevent line breaks in list items using CSS
... this little snippet of code to add a nice "…" to the ending of the line if the content is to large to fit on one line:
li {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
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