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Practical usage of setjmp and longjmp in C
...
setjmp and longjmp can be very useful in unit testing.
Suppose we want to test the following module:
#include <stdlib.h>
int my_div(int x, int y)
{
if (y==0) exit(2);
return x/y;
}
Normally, if the function to test calls another function, you can decla...
创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...库C上新建这个物化视图却失败，说：“ORA-12014: 表 'T_MV_TEST' 不包含主键约束条件”。如果将此表的主键增加字段并ENABLE后操作，又说：“ORA-23412: 主表的主键列已更改”。
但有一个奇怪的现象：在数据库B上我们也建立过物化视...
Check if an element contains a class in JavaScript?
...e switch statement, you could achieve the same effect with this code:
var test = document.getElementById("test"),
classes = ['class1', 'class2', 'class3', 'class4'];
test.innerHTML = "";
for(var i = 0, j = classes.length; i < j; i++) {
if(hasClass(test, classes[i])) {
test.inne...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...
How can I parse a CSV string with JavaScript, which contains comma in data?
...st value when that value is empty. This special "empty last value" case is tested for and handled by the JavaScript function which follows.
JavaScript function to parse CSV string:
// Return array of string values, or NULL if CSV string not well formed.
function CSVtoArray(text) {
var re_valid =...
Are Java static calls more or less expensive than non-static calls?
...ime: 3.12 memory: 320576 signal:0
Name | Iterations
VirtualTest | 128009996
NonVirtualTest | 301765679
StaticTest | 352298601
Done.
As expected, virtual method calls are the slowest, non-virtual method calls are faster, and static method calls are even faster.
What I di...
How to convert PascalCase to pascal_case?
...
Try this on for size:
$tests = array(
'simpleTest' => 'simple_test',
'easy' => 'easy',
'HTML' => 'html',
'simpleXML' => 'simple_xml',
'PDFLoad' => 'pdf_load',
'startMIDDLELast' => 'start_middle_last',
'AString' =>...
How to exclude a directory in find . command
...end into the skipped directory, but -not -path will be false whenever find tests each file.
Issues with -prune
-prune does what it's intended to, but are still some things you have to take care of when using it.
find prints the pruned directory.
TRUE That's intended behavior, it just doesn't d...
How to increase timeout for a single test case in mocha
I'm submitting a network request in a test case, but this sometimes takes longer than 2 seconds (the default timeout).
8 An...
Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.10:test
...ms it can't download an "artifact filter", and is unable to run Surefire's test. But, I'm just speculating on things I don't quite understand fully, even though I've been trying to research these things like crazy. Any help from more experienced people would be very, very, appreciated. I'm losing...