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Reading an image file into bitmap from sdcard, why am I getting a NullPointerException?
...
I wrote the following code to convert an image from sdcard to a Base64 encoded string to send as a JSON object.And it works great:
String filepath = "/sdcard/temp.png";
File imagefile = new File(filepath);
FileInputStream fis = null;
try {
fis = new FileInputStream(imagefile);
} ...
Where are my postgres *.conf files?
...ntu 8.04 after update. Used EnterpriseDB package. I can connect to the database locally, I see system DB postgres but I can't configure it because I can't find config files. Searched through entire hard drive and found only samples like pg_hba.conf.sample
...
RESTfully design /login or /register resources?
... the login form
POST /session authenticates credentials against database
DELETE /session destroys session and redirect to /
GET /users/new gets the webpage that has the registration form
POST /users records the entered information into database as a new /user/xxx
GET /users/xxx // gets a...
How does the Amazon Recommendation feature work?
...8", (2008).
A. Töscher, M. Jahrer, R. Legenstein, "Improved Neighborhood-Based Algorithms for Large-Scale Recommender Systems", SIGKDD Workshop on Large-Scale Recommender Systems and the Netflix Prize Competition (KDD’08) , ACM Press (2008).
Y. Koren, "The BellKor Solution to the Netflix Gran...
How to set Bullet colors in UL/LI html lists via CSS without using any images or span tags [duplicat
...you tried this alternative?
li{
list-style-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAYAAACp8Z5+AAAAE0lEQVQIW2NkYGD4D8RwwEi6AACaVAQBULo4sgAAAABJRU5ErkJggg==");
}
sounds hard, but you can make your own png image/pattern here, then copy/paste your code and customize you...
Android Archive Library (aar) vs standard jar
...se Proguard on your library to obfuscate your classes but as with any Java-based bytecode, there's no way to stop people from decompiling your code.
– unify
Apr 13 '17 at 18:16
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Font size in CSS - % or em?
...mpletely avoids certain really annoying browser quirks when it comes to em-based line-heights
– Már Örlygsson
Oct 29 '08 at 3:39
17
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How do you keep user.config settings across different assembly versions in .net?
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ApplicationSettingsBase has a method called Upgrade which migrates all settings from the previous version.
In order to run the merge whenever you publish a new version of your application you can define a boolean flag in your settings file th...
getApplication() vs. getApplicationContext()
...ng at the Android code, you see that when attached, an activity receives a base context and an application, and those are different parameters. getApplicationContext() delegates it's call to baseContext.getApplicationContext().
One more thing : the documentation says that it most cases, you shouldn...
How to convert IPython notebooks to PDF and HTML?
... HTML.
List of current available profiles:
$ ls -l1 profile|cut -d. -f1
base_html
blogger_html
full_html
latex_base
latex_sphinx_base
latex_sphinx_howto
latex_sphinx_manual
markdown
python
reveal
rst
Give you the existing profiles.
(You can create your own, cf future doc, ./nbconvert2.py --hel...