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What is an unsigned char?
... +1. But there are four distinct character types in C++, wchar_t is one of them.
– Eric Z
Aug 24 '13 at 9:19
12
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is there a require for json in node.js
...
@coen yes, we always use __dirname to make relative paths.
– Raynos
Aug 23 '11 at 15:19
...
How to write to an existing excel file without overwriting data (using pandas)?
...omething like this might work out:
import pandas
from openpyxl import load_workbook
book = load_workbook('Masterfile.xlsx')
writer = pandas.ExcelWriter('Masterfile.xlsx', engine='openpyxl')
writer.book = book
## ExcelWriter for some reason uses writer.sheets to access the sheet.
## If you leave ...
Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly
...
You have to upload your public key to Heroku:
heroku keys:add ~/.ssh/id_rsa.pub
If you don't have a public key, Heroku will prompt you to add one automatically which works seamlessly. Just use:
heroku keys:add
To clear all your previous keys do :
heroku keys:clear
To display all your ex...
What is an abstract class in PHP?
...mpose requirements upon the exhibiting class.
Example below :
class Non_Abstract_Class
{
abstract protected function getValue();
public function printOut() {
echo "Hello how are you?";
}
}
$obj=new Non_Abstract_Class();
$obj->printOut();
//Fatal error: Class Non_Abstract_...
ReSharper - force curly braces around single line
... formatting (see details at http://www.jetbrains.com/resharper/webhelp/Code_Cleanup__Index.html), so use the feature wisely.
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Is there a numpy builtin to reject outliers from a list
...ng like the following? That is, take a list d and return a list filtered_d with any outlying elements removed based on some assumed distribution of the points in d .
...
Error: Could not create the Java Virtual Machine Mac OSX Mavericks
...rsion instead of -version. And yes, what an utterly garbage error message -_-;
– Gavin
Feb 27 '18 at 15:58
2
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Create directories using make file
...
This would do it - assuming a Unix-like environment.
MKDIR_P = mkdir -p
.PHONY: directories
all: directories program
directories: ${OUT_DIR}
${OUT_DIR}:
${MKDIR_P} ${OUT_DIR}
This would have to be run in the top-level directory - or the definition of ${OUT_DIR} would h...
postgresql - replace all instances of a string within text field
...ing-to-string replacement, so 'category' will become 'dogegory'. the regexp_replace function may help you define a stricter match pattern for what you want to replace.
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