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Keystore type: which one to use?
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143
There are a few more types than what's listed in the standard name list you've linked to. You c...
How does a garbage collector avoid an infinite loop here?
... Richter in the second edition of CLR via C# (yes I need to update):
Page 478
For (The CLR is shutting down) each Finalize method is given approximately two seconds to return. If a Finalize method doesn't return within two seconds, the CLR just kills the process - no more Finalize methods are c...
A fast method to round a double to a 32-bit int explained
... of mantissa.
Now, to the magic number; as you correctly stated, 6755399441055744 is 2^51 + 2^52; adding such a number forces the double to go into the "sweet range" between 2^52 and 2^53, which, as explained by Wikipedia here, has an interesting property:
Between 252=4,503,599,627,370,496 an...
Re-raise exception with a different type and message, preserving existing information
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Python 3 introduced exception chaining (as described in PEP 3134). This allows, when raising an exception, to cite an existing exception as the “cause”:
try:
frobnicate()
except KeyError as exc:
raise ValueError("Bad grape") from exc
The caught exception (exc, a KeyError) th...
Get Base64 encode file-data from Input Form
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The easy way:
The readAsDataURL() method might already encode it as base64 for you. You'll probably need to strip out the beginning stuff (up to the first ,), but that's no biggie. This would take all the fun out though.
The hard way:
If you want to try it the hard way (or it doesn't work), look...
Is it possible to have a Subversion repository as a Git submodule?
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answered Jan 21 '09 at 12:47
richqrichq
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How to copy from CSV file to PostgreSQL table with headers in CSV file?
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edited Aug 31 '15 at 12:46
Willi Mentzel
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ans...
How to prevent Browser cache for php site
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CodesenCodesen
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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
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141
NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: SQL Server
NOT IN vs. NOT EXISTS vs. LEFT JOIN ...
Populating a ListView using an ArrayList?
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14
tutorial
Also look up ArrayAdapter interface:
ArrayAdapter(Context context, int textViewResour...