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Setting Environment Variables for Node to retrieve
...l pass the user id 239482 and the user key as foobar. This is suitable for testing, however for production, you will probably be configuring some bash scripts to export variables.
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Bash ignoring error for a particular command
...e command list immediately following a while or until keyword, part of the test in an if statement, part of any command executed in a && or || list except the command following the final && or ||, any command in a pipeline but the last, or if the command's return status is being inve...
Read file data without saving it in Flask
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We simply did:
import io
from pathlib import Path
def test_my_upload(self, accept_json):
"""Test my uploads endpoint for POST."""
data = {
"filePath[]": "/tmp/bin",
"manifest[]": (io.StringIO(str(Path(__file__).parent /
...
How to vertically center a div for all browsers?
...and horizontally center a fixed-width, flexible height content box. It was tested and working for recent versions of Firefox, Opera, Chrome, and Safari.
.outer {
display: table;
position: absolute;
top: 0;
left: 0;
height: 100%;
width: 100%;
}
.middle {
display: table-c...
What does it mean to “program to an interface”?
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Using interfaces is a key factor in making your code easily testable in addition to removing unnecessary couplings between your classes. By creating an interface that defines the operations on your class, you allow classes that want to use that functionality the ability to use it wit...
How to invoke a Linux shell command from Java
...amReader;
import java.util.ArrayList;
import java.util.List;
public class Test {
public static void main(final String[] args) throws IOException, InterruptedException {
//Build command
List<String> commands = new ArrayList<String>();
commands.add("/bin/cat"...
Is it possible to use JS to open an HTML select to show its option list? [duplicate]
...
This works on latest Chromium-based Opera too.
– NoOne
Apr 25 '15 at 16:22
23
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Can a CSV file have a comment?
...ing the file with a FOR command in a batch file a semicolon works (;)
REM test.bat contents
for /F "tokens=1-3 delims=," %%a in (test.csv) do @Echo %%a, %%b, %%c
;test.csv contents (this line is a comment)
;1,ignore this line,no it shouldn't
2,parse this line,yes it should!
;3,ignore this l...
How to overwrite the previous print to stdout in python?
... erasing prior output on that line, for instance: if your first loop print testing and your second loop print test the output after the second pass will still be testing - now I see that @Nagasaki45 pointed this out
– Eric Uldall
Jun 24 '15 at 21:35
...
setup.py examples?
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READ THIS FIRST https://packaging.python.org/en/latest/current.html
Installation Tool Recommendations
Use pip to install Python packages
from PyPI.
Use virtualenv, or pyvenv to isolate application specific dependencies from a shared Python installation.
U...