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How do I search within an array of hashes by hash values in ruby?
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Is it possible to return the index of where this was found in the original array of hashes?
– Ian Warner
Oct 18 '16 at 16:42
1
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Pythonic way to print list items
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To display each content, I use:
mylist = ['foo', 'bar']
indexval = 0
for i in range(len(mylist)):
print(mylist[indexval])
indexval += 1
Example of using in a function:
def showAll(listname, startat):
indexval = startat
try:
for i in range(len(mylist)):
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Getting current directory in .NET web application
...e website.
You want HttpRuntime.AppDomainAppPath.
If you're in an HTTP request, you can also call Server.MapPath("~/Whatever").
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Selecting pandas column by location
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The above link is deprecated because the indexing docs have since been restructured: pandas.pydata.org/pandas-docs/stable/…. As of today, in which the most recent version is 0.21.0, iloc remains the documented approach to accessing a column by position.
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What's a concise way to check that environment variables are set in a Unix shell script?
...ed to set DEST non-empty"}
Or, better (see section on 'Position of double quotes' below):
: "${STATE?Need to set STATE}"
: "${DEST:?Need to set DEST non-empty}"
The first variant (using just ?) requires STATE to be set, but STATE="" (an empty string) is OK — not exactly what you want, but the al...
What is an SSTable?
... (typically each block is 64KB in size, but this is configurable). A block index (stored at the end of the SSTable) is used to locate blocks; the index is loaded into memory when the SSTable is opened. A lookup can be performed with a single disk seek: we first find the appropriate block by performi...
dynamically add and remove view to viewpager
...NONE.
@Override
public int getItemPosition (Object object)
{
int index = views.indexOf (object);
if (index == -1)
return POSITION_NONE;
else
return index;
}
//-----------------------------------------------------------------------------
// Used by ViewPager. Cal...
How to convert Linux cron jobs to “the Amazon way”?
... so far but the way we do crons is sub-optimal. I have a Amazon-specific question about how to best manage cron jobs in the cloud using "the Amazon way".
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Selecting/excluding sets of columns in pandas [duplicate]
...]] where n is the last column of n number of columns, I'm trying negative indexing [[-1]]<- it isn't working :( help!~
– 3kstc
Mar 8 '18 at 3:26
5
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SQL query to group by day
... of your table, they can be used just like regular fields, and can even be indexed (if they're "PERSISTED") - great feature that's totally underused, IMHO.
Marc
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