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Verify if a point is Land or Water in Google Maps
...ervice.
Detect pixel's color of 1x1 static image.
Respond an information about detection.
You can't detect pixel's color in client side. Yes , you can load static image on client's machine and draw image on canvas element. But you can't use getImageData of canvas's context for getting pixel's colo...
Get Android .apk file VersionName or VersionCode WITHOUT installing apk
...e of my apk from the AndroidManifest.xml file after downloading it and without installing it.
8 Answers
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Should you ever use protected member variables?
...you ever use protected member variables?
Depends on how picky you are about hiding state.
If you don't want any leaking of internal state, then declaring all your member variables private is the way to go.
If you don't really care that subclasses can access internal state, then protected is g...
How can I safely create a nested directory?
... factors such as file permissions. The developer would have to know more about the particular application being developed and its expected environment before choosing an implementation.
Modern versions of Python improve this code quite a bit, both by exposing FileExistsError (in 3.3+)...
try:
...
Unable to set data attribute using jQuery Data() API
... (except in Firebug or other consoles).
One way you might want to think about it:
The HTML (along with attributes) are just text. The data, functions, objects, etc that are used by JavaScript exist on a separate plane. Only when JavaScript is instructed to do so, it will read or update the HTML te...
Python: Is it bad form to raise exceptions within __init__?
...
Just pointing out that __init__ is not the constructor, its the intializer. You might want to edit the line There's no other good way to indicate an error condition within a constructor,..
– Haris
Jul...
Is there a way to quickly capitalize the variable name in Eclipse
...s also plausible, but it is problematic. It would entail Eclipse figuring out where the intended word boundaries are in a sequence of characters, and that is hard to get right.
If you look at these, they are all either unlikely to be needed much, or too hard to do properly. Hence, it doesn't sur...
Why isn't textarea an input[type=“textarea”]?
... I wonder how this got this much upvote. The question is not about the difference between 'text' and 'textarea', but the reason for including the multi-line text as <textarea> tag rather than as a 'type=textarea' attribute in <input> tag.
– Foreever
...
JavaScript/jQuery to download file via POST with JSON data
...me HTML, and sets the innerHTML of the page to that string. This will wipe out any event bindings your page has, amongst other things. Create an element and use appendChild instead.
$.post('/create_binary_file.php', postData, function(retData) {
var iframe = document.createElement("iframe");
if...
How to check if a value exists in a dictionary (python)
...: 'two', '5': 'five', '4': 'four'}
>>> 'one' in d.values()
True
Out of curiosity, some comparative timing:
>>> T(lambda : 'one' in d.itervalues()).repeat()
[0.28107285499572754, 0.29107213020324707, 0.27941107749938965]
>>> T(lambda : 'one' in d.values()).repeat()
[0.38...
