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Common use-cases for pickle in Python
...ython objects in a database
4) converting an arbitrary python object to a string so that it can be used as a dictionary key (e.g. for caching & memoization).
There are some issues with the last one - two identical objects can be pickled and result in different strings - or even the same object...
onBitmapLoaded of Target object not called on first load
... mTarget = new Target() {...};
public void getPointMarkerFromUrl(final String url, final OnBitmapDescriptorRetrievedListener listener) {
Picasso.with(context)
.load(url)
.resize(maxSize, maxSize)
.into(mTarget);
}
}
...
How can I use xargs to copy files that have spaces and quotes in their names?
... of the files have spaces and single-quotes in their names. When I try to string together find and grep with xargs , I get the following error:
...
Getting realtime output using subprocess
...n an empty line, which does not evaluate as true. it only returns an empty string when the pipe closes, which will be when the subprocess terminates.
– Alice Purcell
Apr 9 '10 at 12:24
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How do I use a Boolean in Python?
...t use floats like that).
Also, empty lists [], empty tuplets (), and empty strings '' or "" evaluate to False.
Try it yourself with the function bool():
bool([])
bool(['a value'])
bool('')
bool('A string')
bool(True) # ;-)
bool(False)
bool(0)
bool(None)
bool(0.0)
bool(1)
etc..
...
Comments in Android Layout xml
...nnot use it inside a tag.
For example:
<TextView
android:text="@string/game_title"
<!-- This is a comment -->
android:layout_height="wrap_content"
android:layout_width="fill_parent"/>
is wrong and will give following error
Element type "TextView" must be followed ...
Free FTP Library [closed]
...files on the FTP server:
public IEnumerable<FtpFileInfo> GetFiles(string server, string user, string password)
{
var credentials = new NetworkCredential(user, password);
var baseUri = new Uri("ftp://" + server + "/");
var files = new List<FtpFileInfo>();
...
Display Animated GIF
...eed to set base URL, on the other hand, it's similar to loadData() method.
String gifName = "name.gif";
String yourData = "<html style=\"margin: 0;\">\n" +
" <body style=\"margin: 0;\">\n" +
" <img src=" + gifName + " style=\"width: 100%; height: 100%\" />\n" ...
How to escape hash character in URL
...hash sign (sometimes known as number sign or pound sign) sent in the query string of a URL?
1 Answer
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How do I create a link using javascript?
I have a string for a title and a string for a link. I'm not sure how to put the two together to create a link on a page using Javascript. Any help is appreciated.
...