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django MultiValueDictKeyError error, how do I deal with it
...'re trying to get a key from a dictionary when it's not there. You need to test if it is in there first.
try:
is_private = 'is_private' in request.POST
or
is_private = 'is_private' in request.POST and request.POST['is_private']
depending on the values you're using.
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How to turn off caching on Firefox?
...ave to "clear cache" in Firefox all the time in order to make it use the latest version of JavaScript files.
17 Answers
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Accessing nested JavaScript objects and arays by string path
... to use" function return correctly for '0', 'undefined' and 'null', I just tested on the console: resolvePath({a:{b:{c:0}}},'a.b.c',null) => 0; It check if the key exists instead of the value itself which avoid more than one check
– Adriano Spadoni
Oct 16 '1...
Setting default values for columns in JPA
...ord having null values (which typically happens when you re-run old DBUnit tests). What I do is this:
public class MyObject
{
int attrib = 0;
/** Default is 0 */
@Column ( nullable = true )
public int getAttrib()
/** Falls to default = 0 when null */
public void setAttrib...
How can I center an absolutely positioned element in a div?
...: 0;
left: 0;
margin: auto;
}
Demo:
http://jsbin.com/rexuk/2/
It was tested in Google Chrome, Firefox, and Internet Explorer 8.
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How to create a dialog with “yes” and “no” options?
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well, I was sure of what I was saying, but I haven't tested and I was wrong. sorry!
– p91paul
Jun 3 '13 at 21:41
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How to 'git pull' into a branch that is not the current one?
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well, you could try it on a test repo, or check the push docs.
– jthill
Sep 26 '13 at 3:15
1
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NoSQL Use Case Scenarios or WHEN to use NoSQL [closed]
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#2 and 3 are both false. For 2, I've done performance tests on importing/exporting data and seen SQL Server 2014 crush Mongo on large data imports and exports. For 3, strongly typed data in SQL typically takes (I've seen over 50% before compression) up much less space than docum...
Undoing a git bisect mistake
...eturn on the wrong line in my command history, and rather than running the test, I run 'git bisect good' (or bad). Oops - I don't yet know if this commit should be marked good or bad, yet that's what I've done.
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Python using enumerate inside list comprehension
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+1 I did not test it, but I'll bet [t for t in enumerate(my list)] is even faster.
– the wolf
May 27 '12 at 22:58
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