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How to make an AJAX call without jQuery?
... "vanilla" JavaScript:
<script type="text/javascript">
function loadXMLDoc() {
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == XMLHttpRequest.DONE) { // XMLHttpRequest.DONE == 4
if (xmlhttp.status == 200) {
...
Days between two dates? [duplicate]
...r days, or groups of 24 hours?
For simply 24 hours, assuming you're using Python's datetime, then the timedelta object already has a days property:
days = (a - b).days
For calendar days, you'll need to round a down to the nearest day, and b up to the nearest day, getting rid of the partial day o...
Android Studio Project Structure (v.s. Eclipse Project Structure)
...e.
The res (4) folder contains various visual resources.
The layout/main.xml file (5) defines the appearance of the application constituted of resources of various types.
The values folder (6) is intended for storing .xml files that describe resources of various types. Presently, the folder cont...
Using SQL Server 2008 and SQL Server 2005 and date time
...r EDMX in a file editor (or “open with…” in Visual Studio and select XML Editor). At the top you will find the storage model and it has an attribute ProviderManifestToken. This has should have the value 2008. Change that to 2005, recompile and everything works.
NOTE: You'll have to do this ev...
How to store a dataframe using Pandas
...tter for interoperability, as a faster alternative to JSON, or if you have python object/text-heavy data (see this question).
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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
... the two arrays to be evaluated in boolean context (by
calling __bool__ in Python3 or __nonzero__ in Python2).
Your original code
mask = ((r["dt"] >= startdate) & (r["dt"] <= enddate))
selected = r[mask]
looks correct. However, if you do want and, then instead of a and b use (a-b).any...
Counting inversions in an array
...
In Python
# O(n log n)
def count_inversion(lst):
return merge_count_inversion(lst)[1]
def merge_count_inversion(lst):
if len(lst) <= 1:
return lst, 0
middle = int( len(lst) / 2 )
left, a = merge_cou...
How to run JUnit test cases from the command line
...orts/tests/index.html
Ant way
Once you set up your Ant build file build.xml, you can run your JUnit test cases from the command line as below:
ant -f build.xml <Your JUnit test target name>
You can follow the link below to read more about how to configure JUnit tests in the Ant build fil...
“Rate This App”-link in Google Play store app on the phone
...
Where in the androidmanifest.xml do I place this code? Do I need to add anything else? How does that correspond to an actual link or button on a screen that the user presses? Thanks
– Adreno
May 30 '12 at 14:09
...
How can I detect the encoding/codepage of a text file
...at the file (or whatever) contains that information (I'm thinking HTML and XML). Otherwise the person sending the text should be allowed to supply that information. If you were the one who created the file, how can you not know what encoding it uses?
– JV.
Sep ...