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Very large matrices using Python and NumPy
... I've found that it's capable of handling matrices which are quite large (10000 x 10000) easily, but begins to struggle with anything much larger (trying to create a matrix of 50000 x 50000 fails). Obviously, this is because of the massive memory requirements.
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How to request a random row in SQL?
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answered Aug 21 '08 at 6:32
Yaakov Ellis♦Yaakov Ellis
36.8k2626 gold badges117117 silver badges162162 bronze badges
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Parsing JSON array into java.util.List with Gson
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10
Type is a Java built-in interface located in the package java.lang.reflect
– MikO
Aug 31 '13 at 15:40...
Pointers in C: when to use the ampersand and the asterisk?
... of integers
int i = *a; // the value of the first element of a
int i2 = a[0]; // another way to get the first element
To get the second element:
int a[2]; // array
int i = *(a + 1); // the value of the second element
int i2 = a[1]; // the value of the second element
So the [] indexing operator...
How do I check if a string contains another string in Objective-C?
...struct, and the documentation says that it returns the struct {NSNotFound, 0} if the "haystack" does not contain the "needle".
And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device).
NSString *string = @"hello bla blah"...
How to use an existing database with an Android application [duplicate]
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+50
NOTE:
Before trying this code, please find this line in the below code:
private static String DB_NAME ="YourDbName"; // Database name...
How to get existing fragments when using FragmentPagerAdapter
...n't be called again).
switch (position) {
case 0:
return new FragmentA();
case 1:
return new FragmentB();
default:
// This should never happen. Always account for each position abo...
Encrypting & Decrypting a String in C# [duplicate]
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UPDATE 23/Dec/2015: Since this answer seems to be getting a lot of upvotes, I've updated it to fix silly bugs and to generally improve the code based upon comments and feedback. See the end of the post for a list of specific improvements.
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How to stop event propagation with inline onclick attribute?
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edited Jul 7 '18 at 9:02
Munim Munna
14.6k66 gold badges2020 silver badges4949 bronze badges
answere...
How do I watch a file for changes?
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edited Oct 8 '08 at 11:43
answered Oct 8 '08 at 11:29
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