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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
... mispredictions affect performance, take a look at this excellent answer: https://stackoverflow.com/a/11227902/1001643
Compilers typically don't have enough information to know which branches will alias and whether those aliases will be significant. However, that information can be determined at ...
Why isn't sizeof for a struct equal to the sum of sizeof of each member?
...
See also:
for Microsoft Visual C:
http://msdn.microsoft.com/en-us/library/2e70t5y1%28v=vs.80%29.aspx
and GCC claim compatibility with Microsoft's compiler.:
http://gcc.gnu.org/onlinedocs/gcc/Structure_002dPacking-Pragmas.html
In addition to the previous an...
WiX tricks and tips
...RODUCTICON" Value="Company.ico" />
<Property Id="ARPHELPLINK" Value="http://www.example.com/" />
On release builds we version our installers, copying the msi file to a deployment directory. An example of this using a wixproj target called from AfterBuild target:
<Target Name="CopyToDep...
overlay two images in android to set an imageview
...Drawable XML file, let's call it layer.xml:
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/t" />
<item android:drawable="@drawable/tt" />
</layer-list>
Now set the image using that Drawable:
testimage.setI...
Dynamically adding a form to a Django formset with Ajax
...
Check out the following solutions to dynamic django forms:
http://code.google.com/p/django-dynamic-formset/
https://github.com/javisantana/django-dinamyc-form/tree/master/frm
They both make use of jQuery and are django-specific. The first seems a bit more polished and offers a down...
Read a zipped file as a pandas DataFrame
...
https://www.kaggle.com/jboysen/quick-gz-pandas-tutorial
Please follow this link.
import pandas as pd
traffic_station_df = pd.read_csv('C:\\Folders\\Jupiter_Feed.txt.gz', compression='gzip',
he...
Splitting string into multiple rows in Oracle
...'))+1
/
Also, may use DBMS_UTILITY.comma_to_table & table_to_comma:
http://www.oracle-base.com/articles/9i/useful-procedures-and-functions-9i.php#DBMS_UTILITY.comma_to_table
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How to get position of a certain element in strings vector, to use it as an index in ints vector?
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What is the formal difference in Scala between braces and parentheses, and when should they be used?
...dize the usage of braces and parentheses, see Scala Style Guide (page 21): http://www.codecommit.com/scala-style-guide.pdf
The recommended syntax for higher order methods calls is to always use braces, and to skip the dot:
val filtered = tupleList takeWhile { case (s1, s2) => s1 == s2 }
For "...
ReSharper warns: “Static field in generic type”
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