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Why is Visual Studio 2013 very slow?
.../Win32'). Disabling setting synchronization dropped it to normal speed of < 1 second. +1
– zzz
May 26 '16 at 23:43
...
Use space as a delimiter with cut command
...
Usually if you use space as delimiter, you want to treat multiple spaces as one, because you parse the output of a command aligning some columns with spaces. (and the google search for that lead me here)
In this case a single cut command is not sufficient, and you need to use:
tr -...
Long list of if statements in Java
... void exec() {
// ...
}
}
// etc etc
then build a Map<String,Command> object and populate it with Command instances:
commandMap.put("A", new CommandA());
commandMap.put("B", new CommandB());
then you can replace your if/else if chain with:
commandMap.get(value).exec();...
How to stop C++ console application from exiting immediately?
...y key" message, you'll have to print one yourself).
You need to #include <cstdio> for getchar.
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Similarity String Comparison in Java
...ng s1, String s2) {
String longer = s1, shorter = s2;
if (s1.length() < s2.length()) { // longer should always have greater length
longer = s2; shorter = s1;
}
int longerLength = longer.length();
if (longerLength == 0) { return 1.0; /* both strings are zero length */ }
return (lon...
MySQL select 10 random rows from 600K rows fast
... to set limit to 10 and then iterate 10 times with mysqli_fetch_assoc($result) ? Or are those 10 results not necessarily distinguishable?
– Adam
Feb 19 '14 at 23:57
13
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Difference between FetchType LAZY and EAGER in Java Persistence API?
...ing id;
private String name;
private String address;
private List<Student> students;
// setters and getters
}
Now when you load a University from the database, JPA loads its id, name, and address fields for you. But you have two options for how students should be loaded:
To l...
How do I perform the SQL Join equivalent in MongoDB?
...lookup/#pipe._S_lookup
From the docs:
{
$lookup:
{
from: <collection to join>,
localField: <field from the input documents>,
foreignField: <field from the documents of the "from" collection>,
as: <output array field>
}
}
Of course ...
Django class-based view: How do I pass additional parameters to the as_view method?
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If your urlconf looks something like this:
url(r'^(?P<slug>[a-zA-Z0-9-]+)/$', MyView.as_view(), name = 'my_named_view')
then the slug will be available inside your view functions (such as 'get_queryset') like this:
self.kwargs['slug']
...
List of strings to one string
... nice! only remark: Join doesn't need los.ToArray(), because List<T> can cast IEnumarable<T>.
– Nuri YILMAZ
Mar 10 '11 at 19:40
8
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