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Capistrano - clean up old releases
...t's intended purpose? Is there another way to cleanup old releases to just 1 previous deploy?
4 Answers
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Python Dictionary Comprehension
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>>> d = {n: n**2 for n in range(5)}
>>> print d
{0: 0, 1: 1, 2: 4, 3: 9, 4: 16}
If you want to set them all to True:
>>> d = {n: True for n in range(5)}
>>> print d
{0: True, 1: True, 2: True, 3: True, 4: True}
What you seem to be asking for is a way to set...
MongoDB: Find a document by non-existence of a field?
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1 Answer
1
Active
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Get current batchfile directory
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511
System read-only variable %CD% keeps the path of the caller of the batch, not the batch file lo...
What replaces cellpadding, cellspacing, valign, and align in HTML5 tables?
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edited Jan 19 '16 at 21:27
Hector S.
9311 silver badge1212 bronze badges
answered May 18 ...
How to get JSON objects value if its name contains dots?
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216
What you want is:
var smth = mydata.list[0]["points.bean.pointsBase"][0].time;
In JavaScript...
I want to exception handle 'list index out of range.'
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Handling the exception is the way to go:
try:
gotdata = dlist[1]
except IndexError:
gotdata = 'null'
Of course you could also check the len() of dlist; but handling the exception is more intuitive.
share
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A regex to match a substring that isn't followed by a certain other substring
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162
Try:
/(?!.*bar)(?=.*foo)^(\w+)$/
Tests:
blahfooblah # pass
blahfooblahbarfail ...
Django admin: How to display a field that is marked as editable=False' in the model?
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195
Use Readonly Fields. Like so (for django >= 1.2):
class MyModelAdmin(admin.ModelAdmin):
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How to make execution pause, sleep, wait for X seconds in R?
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145
See help(Sys.sleep).
For example, from ?Sys.sleep
testit <- function(x)
{
p1 <- pr...