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Is there common street addresses database design for all addresses of the world? [closed]
...mat it. (Oh, and the UK has alphanumeric post codes - IP31 3GH, SE1W 9PQ, etc. I think the second group is always NAA; the first group starts with A and contains at least one N (A = alpha, N = digit), but nothing would surprise me.)
– Jonathan Leffler
May 31 ...
How to check if a file is a valid image file?
...more about it than just the format, like bitmap dimensions, format version etc.. So you might see this as a superficial test for "validity".
For other definitions of "valid" you might have to write your own tests.
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Python dictionary from an object's fields
... pass
def __getattr__(self, attr):
return self[attr]
# etc...
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Why is January month 0 in Java Calendar?
...y hard to reason about - all the business about when things are recomputed etc
The use of parameterless constructors to default to "now", which leads to hard-to-test code
The Date.toString() implementation which always uses the system local time zone (that's confused many Stack Overflow users before...
How to make a class JSON serializable
...ives that have a direct JSON equivalent (e.g. dicts, lists, strings, ints, etc.). jsonpickle builds on top of these libraries and allows more complex data structures to be serialized to JSON. jsonpickle is highly configurable and extendable–allowing the user to choose the JSON backend and add addi...
How can I convert an image into Base64 string using JavaScript?
...)
})
This code example could also be implemented using the WHATWG fetch API:
const toDataURL = url => fetch(url)
.then(response => response.blob())
.then(blob => new Promise((resolve, reject) => {
const reader = new FileReader()
reader.onloadend = () => re...
How to implement Android Pull-to-Refresh
...k ListView as an example, it can be any View like LinearLayout, ScrollView etc.)
<android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/pullToRefresh"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ListView
android:id="@+id/listVi...
Difference between Fact table and Dimension table?
...t (Example of dimension tables: Geography, Item, Supplier, Customer, Time, etc.). It would be valid also for the dimension to have a parent, in which case the model is of type "Snow Flake". However, designers attempt to avoid this kind of design since it causes more joins that slow performance. In t...
How to “comment-out” (add comment) in a batch/cmd?
... & :: commenttttttttttt
Inside nested parts (IF/ELSE, FOR loops, etc...) use :: line should be followed with normal line, otherwise it gives error (use REM there).
:: may also fail within setlocal ENABLEDELAYEDEXPANSION
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How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
...oesn't display all the tables, but it displays other objects such as views etc. Any ideas ?
– SUN Jiangong
Dec 28 '12 at 16:12
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