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how does multiplication differ for NumPy Matrix vs Array classes?
...0.097+4.198j, 0.097-4.198j, 5.103+0.j ]),
array([[-0.374+0.j , -0.091+0.278j, -0.091-0.278j, -0.574+0.j ],
[-0.446+0.j , 0.671+0.j , 0.671+0.j , -0.084+0.j ],
[-0.654+0.j , -0.239-0.476j, -0.239+0.476j, -0.181+0.j ],
[-0.484+0.j , -0.387+0.178j, -0.387...
Mapping composite keys using EF code first
...ered May 14 '19 at 17:40
cmorgan091cmorgan091
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...
PHP Composer update “cannot allocate memory” error (using Laravel 4)
...swap.1
Or if above not worked then you can try create a swap file
sudo fallocate -l 2G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
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How to determine the memory footprint (size) of a variable?
...ion-oriented, PHP profiler. Some of features are:
measurement of time and allocated memory for each function
CPU usage
file and line number of the function call
output as Google's Trace Event format
caption of functions
grouping of functions
aliases of functions (useful for anonymous function...
How does delete[] know it's an array?
...ck of how many objects need to be deleted somehow. It may do this by over-allocating enough to store the array size. For more details, see the C++ Super FAQ.
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Sending an HTTP POST request on iOS
... and initialize it.
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
Set the Url for which your going to send the data to that request.
[request setURL:[NSURL URLWithString:@"http://www.abcde.com/xyz/login.aspx"]];
Now, set HTTP method (POST or GET). Write this lines as it...
Increasing (or decreasing) the memory available to R processes
...sical RAM you
have installed.
If you get the error that R cannot
allocate a vector of length x, close
out of R and add the following line to
the ``Target'' field:
--max-vsize=500M
or as appropriate. You can always
check to see how much memory R has
available by typing a...
urlencode vs rawurlencode?
...ster int x, y;
unsigned char *str;
str = (unsigned char *) safe_emalloc(3, len, 1);
for (x = 0, y = 0; len--; x++, y++) {
str[y] = (unsigned char) s[x];
#ifndef CHARSET_EBCDIC
if ((str[y] < '0' && str[y] != '-' && str[y] != '.') ||
(str[y] ...
apc vs eaccelerator vs xcache
...ich were things under my control. 1) Don't let APC fill up. Make sure to allocate enough memory 2) Don't use apc_clear_cache() on an active server 3) APC doesn't really cope well with heavy lock contention -- don't try to write to a single key from multiple processes simultaneously.
...
Why do you not use C for your web apps?
... handed to the server, it's up to the programmer to make sure to correctly allocate memory. G-WAN has some abstraction around query parameters but that's not going to completely save you. I'm not saying that correctly done, C web programming can't be secure and fast, but it is more susceptible to h...