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Store pictures as files or in the database for a web app?
...on code will be required to fetch the pictures.
The images could be served from a different server to improve performance.
It will reduce database bottleneck.
The database ultimately stores its data on the file system.
Images can be easily cached when stored on the file system.
...
Reference one string from another string in strings.xml?
I would like to reference a string from another string in my strings.xml file, like below (specifically note the end of the "message_text" string content):
...
how to read value from string.xml in android?
...t;
<item>My Tab 2</item>
</string-array>
And then from your Activity you can get the reference like so:
String[] tab_names = getResources().getStringArray(R.array.tab_names);
String tabname1=tab_names[0];//"My Tab 1"
...
What is a Memory Heap?
...
Presumably you mean heap from a memory allocation point of view, not from a data structure point of view (the term has multiple meanings).
A very simple explanation is that the heap is the portion of memory where dynamically allocated memory resides...
Remove URL parameters without refreshing page
...tents)
to programmatically access the data through the stateObj then parse from the anchor
As I understood from your comment, you want to clean your URL without redirecting again.
Note that you cannot change the whole URL. You can just change what comes after the domain's name. This means that...
Getting content/message from HttpResponseMessage
I'm trying to get content of HttpResponseMessage. It should be: {"message":"Action '' does not exist!","success":false} , but I don't know, how to get it out of HttpResponseMessage.
...
In Python, how can you load YAML mappings as OrderedDicts?
...ortunately, the solution can be improved without much effort:
import yaml
from collections import OrderedDict
def ordered_load(stream, Loader=yaml.Loader, object_pairs_hook=OrderedDict):
class OrderedLoader(Loader):
pass
def construct_mapping(loader, node):
loader.flatten_m...
Naming returned columns in Pandas aggregate function? [duplicate]
...
This will drop the outermost level from the hierarchical column index:
df = data.groupby(...).agg(...)
df.columns = df.columns.droplevel(0)
If you'd like to keep the outermost level, you can use the ravel() function on the multi-level column to form new lab...
Lambda expression to convert array/List of String to array/List of Integers
...r lists
public static <T, U> List<U> convertList(List<T> from, Function<T, U> func) {
return from.stream().map(func).collect(Collectors.toList());
}
//for arrays
public static <T, U> U[] convertArray(T[] from,
Function<T, U...
Differences between Octave and MATLAB? [closed]
... to translate a lot of stuff before it works in Octave, if not re-write it from scratch. How this is better, I really don't see...
Also, if you learn Octave, there's a lot of syntax allowed in Octave that's not allowed in MATLAB. Meaning -- code written in Octave often does not work in MATLAB witho...