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Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
We all know you can't do the following because of ConcurrentModificationException :
26 Answers
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Parallelize Bash script with maximum number of processes
...s
Run up to max-procs processes at a time; the default is 1.
If max-procs is 0, xargs will run as many processes as possible at a
time. Use the -n option with -P; otherwise chances are that only one
exec will be done.
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uwsgi invalid request block size
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It's not the correct solution. What if we want to unix sockets?
– Farsheed
Aug 21 '15 at 11:28
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cannot convert data (type interface {}) to type string: need type assertion
I am pretty new to go and I was playing with this notify package.
4 Answers
4
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Checking to see if one array's elements are in another array in PHP
...antwparks then why in PHP docs about this function they say "Returns FALSE if var exists and has a non-empty, non-zero value. Otherwise returns TRUE. The following things are considered to be empty: array() (an empty array)"? Source: php.net/manual/en/function.empty.php
– Pere
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Rails: confused about syntax for passing locals to partials
...short answer is the render method looks at the first argument you pass in. If you pass in a hash (which includes :partial => 'foo', :locals => {blah blah blah}) then it will pass in all of your arguments as a hash and parse them accordingly.
If you pass in a string as your first argument, i...
Make a negative number positive
...l and do it yourself:
number = (number < 0 ? -number : number);
or
if (number < 0)
number = -number;
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Linq to Sql: Multiple left outer joins
... dc.Vendors
.Where(v => v.Id == order.VendorId)
.DefaultIfEmpty()
from status
in dc.Status
.Where(s => s.Id == order.StatusId)
.DefaultIfEmpty()
select new { Order = order, Vendor = vendor, Status = status }
//Vendor and Status properties will ...
What's the best way to convert a number to a string in JavaScript? [closed]
...the JSPerf test above: str = num.toString();
It should be noted that the difference in speed is not overly significant when you consider that it can do the conversion any way 1 Million times in 0.1 seconds.
Update: The speed seems to differ greatly by browser. In Chrome num + '' seems to be faste...
Create directory if it does not exist
I am writing a PowerShell script to create several directories if they do not exist.
11 Answers
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