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What is the difference between range and xrange functions in Python 2.X?
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edited Aug 16 '19 at 18:05
Nickolay
27.1k77 gold badges8787 silver badges152152 bronze badges
answered...
create a trusted self-signed SSL cert for localhost (for use with Express/Node)
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Step 2 is creating issue in window. 14148:error:0D07A097:asn1 encoding routines:ASN1_mbstring_ncopy:string too long:.\crypto\asn1\a_mbstr.c:158:maxsize=2
– Hermenpreet Singh
Jul 19 at 18:08
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What is the difference between quiet NaN and signaling NaN?
...e exit status:
g++ -ggdb3 -O0 -Wall -Wextra -pthread -std=c++11 -pedantic-errors -o blow_up.out blow_up.cpp -lm -lrt
./blow_up.out
echo $?
Output:
FE_ALL_EXCEPT snan + 1.0f
feenableexcept qnan + 1.0f
Floating point exception (core dumped)
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Note that this behaviour only happens with -O0 in G...
Hidden features of mod_rewrite
...rentely the variable gets set to 200 for a redirect, but also other pages (error and stuff) set it to some value. Now that means that you either check if it is empty, is not empty, is 200 or is not 200, depending on what you need.
– Qwerty
May 25 '14 at 0:17
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
... C++ code below is able to detect a sheet of paper in the image:
void find_squares(Mat& image, vector<vector<Point> >& squares)
{
// blur will enhance edge detection
Mat blurred(image);
medianBlur(image, blurred, 9);
Mat gray0(blurred.size(), CV_8U), gray;
v...
Compiling Java 7 code via Maven
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– Alfonso Nishikawa
Apr 8 '14 at 7:05
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show 3 more comments
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Find all storage devices attached to a Linux machine [closed]
...Disk /dev/xvda1: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders, total 20971520 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/xvda1 ...
How to get the process ID to kill a nohup process?
...D of the last process executed). The 2 is the file descriptor for standard error (stderr) and 2>&1 tells the shell to route standard error output to the standard output (file descriptor 1). It requires &1 so that the shell knows it's a file descriptor in that context instead of just a fil...
How do I clear/delete the current line in terminal?
... Cut word before the cursor
Ctrl+y Paste the last deleted command
Ctrl+_ Undo
Ctrl+u Cut everything before the cursor
Ctrl+xx Toggle between first and current position
Ctrl+l Clear the terminal
Ctrl+c Cancel the command
Ctrl+r Search command in history - type the search term
Ctrl+j End...
Should try…catch go inside or outside a loop?
...pletely out of the picture unless a throw occurs, then the location of the error is compared against the table.
Here's a reference: http://www.javaworld.com/javaworld/jw-01-1997/jw-01-hood.html
The table is described about half-way down.
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