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How to improve performance of ngRepeat over a huge dataset (angular.js)?
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The hottest - and arguably most scalable - approach to overcoming these challenges with large datasets is embodied by the approach of Ionic's collectionRepeat directive and of other implementations like it. A fancy term for this is ...
Microsoft Excel mangles Diacritics in .csv files?
I am programmatically exporting data (using PHP 5.2) into a .csv test file.
Example data: Numéro 1 (note the accented e).
The data is utf-8 (no prepended BOM).
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How to get row from R data.frame
... )
#The vector your result should match
y<-c(A=5, B=4.25, C=4.5)
#Test that the items in the row match the vector you wanted
x[1,]==y
This page (from this useful site) has good information on indexing like this.
s...
How do I create a directory from within Emacs?
...:
C-x d *.py RET ; shows python source files in the CWD in `Dired` mode
+ test RET ; create `test` directory in the CWD
CWD stands for Current Working Directory.
or just create a new file with non-existing parent directories using C-x C-f and type:
M-x make-directory RET RET
Emacs asks to...
Reading large text files with streams in C#
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Really? This makes no difference in my test scenario. According to Brad Abrams there is no benefit to using BufferedStream over a FileStream.
– Nick Cox
Jul 24 '13 at 14:09
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Encode html entities in javascript
...mpersands and other edge cases just like a browser would, has an extensive test suite, and — contrary to many other JavaScript solutions — he handles astral Unicode symbols just fine. An online demo is available.
Also see this relevant Stack Overflow answer.
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Convert JS Object to form data
... to the Object constructor, but for the most part people shouldn't have to test for inherited properties on objects they've created, that's a sign that you're probably doing something wrong.
– adeneo
May 22 '14 at 13:02
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How to round the minute of a datetime object
...ed; thank you.
update 2019-12-27 = comment Bart incorporated; thank you.
Tested for date_delta of "X hours" or "X minutes" or "X seconds".
import datetime
def round_time(dt=None, date_delta=datetime.timedelta(minutes=1), to='average'):
"""
Round a datetime object to a multiple of a timed...
Get query from java.sql.PreparedStatement [duplicate]
...code.
Before : com.mysql.jdbc.JDBC4PreparedStatement@fa9cf: SELECT * FROM test WHERE blah1=** NOT SPECIFIED ** and blah2=** NOT SPECIFIED **
After : com.mysql.jdbc.JDBC4PreparedStatement@fa9cf: SELECT * FROM test WHERE blah1='Hello' and blah2='World'
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Best way to check if a Data Table has a null value in it
...able.Rows)
{
foreach (DataColumn col in table.Columns)
{
//test for null here
if (row[col] == DBNull.Value)
{
tableHasNull = true;
}
}
}
if (tableHasNull)
{
//handle null in table
}
You can also come out of the foreach loop with a brea...