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Floating point vs integer calculations on modern hardware
I am doing some performance critical work in C++, and we are currently using integer calculations for problems that are inherently floating point because "its faster". This causes a whole lot of annoying problems and adds a lot of annoying code.
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I can’t find the Android keytool
...this post is from six months ago, but I thought I would add some info here for people who are confused about the whole API key/MD5 fingerprint business. It took me a while to figure out, so I assume others have had trouble with it too (unless I'm just that dull).
These directions are for Windows XP...
GCC compile error with >2 GB of code
... have a huge number of functions totaling around 2.8 GB of object code (unfortunately there's no way around, scientific computing ...)
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read complete file without using loop in java
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Does not work for InputStream's s.a. Android assets (no length)
– akauppi
Jun 13 '14 at 11:04
10
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How to Display blob (.pdf) in an AngularJS app
...sponse. The pdf must be displayed within the app using <embed src> for example.
8 Answers
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How to sort mongodb with pymongo
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So if you want to sort by, let's say, id then you should .sort("_id", 1)
For multiple fields:
.sort([("field1", pymongo.ASCENDING), ("field2", pymongo.DESCENDING)])
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HTML input - name vs. id [duplicate]
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In HTML4.01:
Name Attribute
Valid only on <a>, <form>, <iframe>, <img>, <map>, <input>, <select>, <textarea>
Name does not have to be unique, and can be used to group elements together such as radio buttons & checkboxes
Can not be...
Correct way to write line to file?
...s opened in text mode (the default); use a single '\n' instead, on all platforms.
Some useful reading:
The with statement
open()
'a' is for append, or use
'w' to write with truncation
os (particularly os.linesep)
sha...
HTML-encoding lost when attribute read from input field
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This works for most scenarios, but this implementation of htmlDecode will eliminate any extra whitespace. So for some values of "input", input != htmlDecode(htmlEncode(input)). This was a problem for us in some scenarios. For example...
How to convert all tables from MyISAM into InnoDB?
...//
// Actual code starts here
$sql = "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'your_database_name'
AND ENGINE = 'MyISAM'";
$rs = mysql_query($sql);
while($row = mysql_fetch_array($rs))
{
$tbl = $row[0];
$sql = "...