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How do I find a list of Homebrew's installable packages?
Recently I installed Brew . How can I retrieve a list of available brew packages to install?
3 Answers
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Building executable jar with maven?
I am trying to generate an executable jar for a small home project called "logmanager" using maven, just like this:
4 Answe...
Why does ConcurrentHashMap prevent null keys and values?
...oncurrentHashMap himself (Doug Lea):
The main reason that nulls aren't allowed in ConcurrentMaps
(ConcurrentHashMaps, ConcurrentSkipListMaps) is that ambiguities that
may be just barely tolerable in non-concurrent maps can't be
accommodated. The main one is that if map.get(key) returns nul...
Bootstrap combining rows (rowspan)
...mentation number of times and I can see nesting columns where you can basically nest columns within a column but I cannot locate
the capability of combining rows into one and have it aligned with column next to the uncombined rows.
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Redo merge of just a single file
...m in the middle of a large merge, and I've used git mergetool to resolve all the conflicts, but I have not committed yet, as I wanted to make sure the merge was ok first.
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Set width of TextView in terms of characters
Really looking for an answer to this .
3 Answers
3
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Import pandas dataframe column as string not int
...import the following csv as strings not as int64. Pandas read_csv automatically converts it to int64, but I need this column as string.
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Linq list of lists to single list
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Use SelectMany
var all = residences.SelectMany(x => x.AppForm_Residences);
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Qt c++ aggregate 'std::stringstream ss' has incomplete type and cannot be defined
...er ways to convert int to string, like
char numstr[21]; // enough to hold all numbers up to 64-bits
sprintf(numstr, "%d", age);
result = name + numstr;
check this!
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Negative weights using Dijkstra's Algorithm
...u have suggested will indeed find the shortest path in this graph, but not all graphs in general. For example, consider this graph:
Assume the edges are directed from left to right as in your example,
Your algorithm will work as follows:
First, you set d(A) to zero and the other distances to ...