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Practical non-image based CAPTCHA approaches?
... twist on this that I use. Make the hidden value an encrypted time set to now. Upon post back, verify that between 10 seconds and 10 minutes has elapsed. This foils tricksters who would try to plug in some always-valid value.
– Tim Scott
Feb 7 '09 at 22:41
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What is stdClass in PHP?
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I hope you know that object isn't the derived class of "all" objects in Python... At least, not until you are forced to derive from object in Python 3.0
– monokrome
Sep 21 '10 at 23:35
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How do you serialize a model instance in Django?
... assuming obj is your model instance
dict_obj = model_to_dict( obj )
You now just need one straight json.dumps call to serialize it to json:
import json
serialized = json.dumps(dict_obj)
That's it! :)
share
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How to have TFS 2010 detect changes done to files outside of Visual Studio?
...work connection available that allows you to check out the files.
If you know what files you've modified, you can just check them out from within Visual Studio, then you'll be able to check them back in.
If you don't know what files you've edited, you can detect the changes by running the tfpt onl...
data.frame rows to a list
...mp;
}
res.attr("names") = x.attr("row.names");
return res;
}
Now caompare with purrr:
benchmark(
purrr = by_row(x, function(v) list(v)[[1L]], .collate = "list")$.out,
rcpp = df2list(x)
)
Results:
Benchmark summary:
Time units : milliseconds
expr n.eval min lw.qu median m...
“Conversion to Dalvik format failed with error 1” on external JAR
...erly build it.
In other ways this may be occurred if you accidentally or knowingly edit/ add any thing in the class path file manually .In certain cases we may add android.jar path manually to classpath file for generating java doc.On removing the that after javadoc generated code will works fine.P...
What are the primary differences between TDD and BDD? [closed]
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Above 'Tom Ten Thij' link is dead by now.. here's live @ - tomtenthij.nl/2008/1/25/…
– Kundan Pandit
Jan 19 '15 at 6:41
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Why git can't remember my passphrase under Windows
.... Answer with a y. This will add the server's host key to PuTTY's list of known hosts. Without this step git commands will not work properly. After hitting enter, Github informs you that Github does not provide shell access. That's fine...we don't need it. (If you are connecting to some other host, ...
Calculate age given the birth date in the format YYYYMMDD
...on _calculateAge(birthday) { // birthday is a date
var ageDifMs = Date.now() - birthday.getTime();
var ageDate = new Date(ageDifMs); // miliseconds from epoch
return Math.abs(ageDate.getUTCFullYear() - 1970);
}
Disclaimer: This also has precision issues, so this cannot be completely tr...
How to get JavaScript caller function line number? How to get JavaScript caller source URL?
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Hi, Thanks for that addon. do you know if its possible to get line number from previous call ? Lets say method A calls B , and now in B I would like to know in what line under A the call was made?
– Tal
Aug 30 '09 at 11:1...