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IntelliJ shortcut to show a popup of methods in a class that can be searched
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If you are running on Linux (I tested in Ubuntu 10.04), the shortcut is Ctrl + F12 (same of Windows)
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Update multiple columns in SQL
... This seems to work fine for my PostgreSQL 12.2 installation (tested using DBeaver).
– Telmo Trooper
Feb 26 at 18:40
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Merging: Hg/Git vs. SVN
...(v2-only)
\
x - x - x (wss)
, allowing you to:
test each branch in isolation to check if everything compile/work as intended
merge only what you want to main.
The other feature I like (which influence merges) is the ability to squash commits (in a branch not yet pushe...
How to parse a CSV file in Bash?
... with some lines, so this the solution.
while IFS=, read -ra line
do
test $i -eq 1 && ((i=i+1)) && continue
for col_val in ${line[@]}
do
echo -n "$col_val|"
done
echo
done < "$csvFile"
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JavaScript error (Uncaught SyntaxError: Unexpected end of input)
...y returned ajax calls, when trying to parse an empty JSON.
To solve this test if the returned data is empty
$.ajax({
url: url,
type: "get",
dataType: "json",
success: function (response) {
if(response.data.length == 0){
// EMPTY
}else{
var...
SetUnhandledExceptionFilter and the C/C++ Runtime Library - C/C++ - 清...
...(JIT) debugger if such a debugger is installed on the system.
In order to test the code, we will simulate a null pointer invalid access like this:
int main()
{
::SetUnhandledExceptionFilter(OurCrashHandler);
std::cout << "Normal null pointer crash" << std::endl;
char *p = 0;
...
How to generate JAXB classes from XSD?
... it.
e.g. generate.bat:
[your java home dir]\bin\xjc.exe %1 %2 %3
e.g. test-scheme.xsd:
<?xml version="1.0"?>
<xs:schema version="1.0"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
elementFormDefault="qualified"
targetNamespace="http://myprojects.net/xsd...
When to use which design pattern? [closed]
... Design patterns can speed up the development process by providing tested, proven development paradigms. Effective software design requires considering issues that may not become visible until later in the implementation. Reusing design patterns helps to prevent subtle issues that can cause ...
What does the git index contain EXACTLY?
...
Bit by bit analysis
I've decided to do a little testing to better understand the format and research some of the fields in more detail.
Results bellow are the same for Git versions 1.8.5.2 and 2.3.
I have marked points which I'm not sure / haven't found with TODO: please...
What does enctype='multipart/form-data' mean?
...each one.
You can produce examples using:
nc -l or an ECHO server: HTTP test server accepting GET/POST requests
an user agent like a browser or cURL
Save the form to a minimal .html file:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>u...