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Add alternating row color to SQL Server Reporting services report
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Function AlternateColor(ByVal OddColor As String, _
ByVal EvenColor As String, ByVal Toggle As Boolean) As String
If Toggle Then bOddRow = Not bOddRow
If bOddRow Then
Return OddColor
Else
Return EvenColor
End If
End Function
Then on...
Is there a difference between single and double quotes in Java?
...swered Apr 13 '17 at 13:21
Horse_1995Horse_1995
19722 silver badges1212 bronze badges
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Rails 4: before_filter vs. before_action
In rails >4.0.0 generators creates CRUD operations with before_action not before_filter . It seems to do the same thing. So what's the difference between these two?
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schema builder laravel migrations unique on two columns
...nique key across multiple columns.
$table->unique(array('mytext', 'user_id'));
or (a little neater)
$table->unique(['mytext', 'user_id']);
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Advantage of switch over if-else statement
...he clearest code is probably:
if (RequiresSpecialEvent(numError))
fire_special_event();
Obviously this just moves the problem to a different area of the code, but now you have the opportunity to reuse this test. You also have more options for how to solve it. You could use std::set, for exa...
When to use IMG vs. CSS background-image?
...ertical centering problems - bring on Flexbox!
– Dean_Wilson
Nov 17 '14 at 2:18
3
@BinaryFunt - &...
How does Google's Page Speed lossless image compression work?
...lly interested in the technical details, check out the source code:
png_optimizer.cc
jpeg_optimizer.cc
webp_optimizer.cc
For PNG files, they use OptiPNG with some trial-and-error approach
// we use these four combinations because different images seem to benefit from
// different parameters...
How to convert a number to string and vice versa in C++
...5).
string to numeric
float stof(const string& str, size_t *idx = 0);
double stod(const string& str, size_t *idx = 0);
long double stold(const string& str, size_t *idx = 0);
int stoi(const string& str, size_t *idx = 0, int base = 10);
...
Is there a built in function for string natural sort?
...use either of the below formulas.
>>> from natsort import natsort_keygen, ns
>>> l1 = ['elm0', 'elm1', 'Elm2', 'elm9', 'elm10', 'Elm11', 'Elm12', 'elm13']
>>> l2 = l1[:]
>>> natsort_key1 = natsort_keygen(key=lambda y: y.lower())
>>> l1.sort(key=natsort_k...
Random record from MongoDB
... enable geospatial indexing on a collection:
db.docs.ensureIndex( { random_point: '2d' } )
To create a bunch of documents with random points on the X-axis:
for ( i = 0; i < 10; ++i ) {
db.docs.insert( { key: i, random_point: [Math.random(), 0] } );
}
Then you can get a random document f...