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What is a serialVersionUID and why should I use it?
...d it preserves the abiity of the serialVersionUID mechanism to protect you from incompatible changes.
– Tom Anderson
Apr 24 '11 at 10:43
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Why does C# forbid generic attribute types?
...'s definitely a language decision rather than a runtime one.
EDIT: Answer from Eric Lippert (paraphrased): no particular reason, except to avoid complexity in both the language and compiler for a use case which doesn't add much value.
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change type of input field with jQuery
...ild(pass);
pass.type = 'text';
pass.value = 'Password';
Edit 3: Straight from the jQuery source, this seems to be related to IE (and could either be a bug or part of their security model, but jQuery isn't specific):
// We can't allow the type property to be changed (since it causes problems in IE...
Input and Output binary streams using JERSEY?
...enerator class (my own class for creating the PDF) takes the output stream from the write method and writes to that instead of a newly created output stream.
Don't know if it's the best way to do it, but it works.
share
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How to get notified about changes of the history via history.pushState?
...that page when the event fires, either inject the relevant script directly from the background page, or have the content script open a port to the background page when it loads, have the background page save that port in a collection indexed by tab ID, and send a message across the relevant port (fr...
hadoop No FileSystem for scheme: file
...s remains (the last one that was added). In this case, the FileSystem list from hadoop-commons overwrites the list from hadoop-hdfs, so DistributedFileSystem was no longer declared.
How we fixed it
After loading the Hadoop configuration, but just before doing anything FileSystem-related, we call t...
How to plot two columns of a pandas data frame using points?
I have a pandas data frame and would like to plot values from one column versus the values from another column. Fortunately, there is plot method associated with the data-frames that seems to do what I need:
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Python dictionary: Get list of values for list of keys
...t, mykeys)
Alternatively, using operator.itemgetter can return a tuple:
from operator import itemgetter
myvalues = itemgetter(*mykeys)(mydict)
# use `list(...)` if list is required
Note: in Python3, map returns an iterator rather than a list. Use list(map(...)) for a list.
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Is file append atomic in UNIX?
In general, what can we take for granted when we append to a file in UNIX from multiple processes? Is it possible to lose data (one process overwriting the other's changes)? Is it possible for data to get mangled? (For example, each process is appending one line per append to a log file, is it po...
'sudo gem install' or 'gem install' and gem locations
...g results. My gem path is set to my home folder and only contains the gems from ' gem list --local '.
7 Answers
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