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How to write to a JSON file in the correct format
...mp.json","w") do |f|
f.write(tempHash.to_json)
end
Your temp.json file now looks like:
{"key_a":"val_a","key_b":"val_b"}
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What is the difference between the mouseover and mouseenter events?
... event name will trigger the same behavior. Edit: thanks to other posts, I now see this is not the case
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What happens if you call erase() on a map element while iterating from begin to end?
...een improved/made consistent across all container types).
The erase method now returns the next iterator.
auto pm_it = port_map.begin();
while(pm_it != port_map.end())
{
if (pm_it->second == delete_this_id)
{
pm_it = port_map.erase(pm_it);
}
else
{
++pm_it;
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How to migrate back from initial migration in Django 1.7?
I created a new app with some models and now I noticed that some of the models are poorly thought out. As I haven't committed the code the sensible thing would be to migrate the database to last good state and redo the migration with better models. In this case the last good state is database where ...
What is the difference between BIT and TINYINT in MySQL?
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Sorry thought we were on T_SQL here so therefore I dont know
– Allen Hardy
Nov 14 '08 at 14:39
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
... is 8 flops * 4 cores * 4.4 GHz = 140.8 GFlops. Actual is 138.2 GFlops.
Now for some explanations:
The performance critical part is obviously the 48 instructions inside the inner loop. You'll notice that it's broken into 4 blocks of 12 instructions each. Each of these 12 instructions blocks are ...
Showing data values on stacked bar chart in ggplot2
...ack(vjust = 0.5))
Also note that "position_stack() and position_fill() now stack values in the reverse order of the grouping, which makes the default stack order match the legend."
Answer valid for older versions of ggplot:
Here is one approach, which calculates the midpoints of the bars.
l...
Close and Dispose - which to call?
...you to do the necessary research", what is that research? The only way I know how to say for sure is through Reflection but that has the downside of being "illegal" in most situations.
– Storm
Jan 21 '16 at 6:21
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Editing in the Chrome debugger
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Crucial for me was to know that changes should be saved (step 4). Thanks!
– Sergey Goliney
Sep 14 '16 at 8:28
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In-place edits with sed on OS X
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This is now the other way around. sed -i '' <file> works but sed -i'' <file> no longer works
– Zohaib Amanzai
Jul 18 at 14:32
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