- 1
- 2
- 3
if (preg_match('/'.preg_quote($subString).'/', $string)) {
...
}
Нашли или выдавили из себя код, который нельзя назвать нормальным, на который без улыбки не взглянешь? Не торопитесь его удалять или рефакторить, — запостите его на говнокод.ру, посмеёмся вместе!
+4
if (preg_match('/'.preg_quote($subString).'/', $string)) {
...
}
Проверка, есть ли подстрока в строке.
Вроде, как минимум несколько лет человек в программировании на PHP.
Показывает опытность тем, что экранирует спецсимволы в регулярном выражении.
А можно было использовать простейшую функцию strpos().
+4
// ...
if (isset($_GET["download"])) {
include "./download.inc.php";
} elseif (isset($_GET["table"])) {
include "./table.inc.php";
} elseif (isset($_GET["schema"])) {
include "./schema.inc.php";
} elseif (isset($_GET["dump"])) {
include "./dump.inc.php";
} elseif (isset($_GET["privileges"])) {
include "./privileges.inc.php";
} elseif (isset($_GET["sql"])) {
include "./sql.inc.php";
} elseif (isset($_GET["edit"])) {
include "./edit.inc.php";
} elseif (isset($_GET["create"])) {
include "./create.inc.php";
} elseif (isset($_GET["indexes"])) {
include "./indexes.inc.php";
} elseif (isset($_GET["database"])) {
include "./database.inc.php";
} elseif (isset($_GET["scheme"])) {
include "./scheme.inc.php";
} elseif (isset($_GET["call"])) {
include "./call.inc.php";
} elseif (isset($_GET["foreign"])) {
include "./foreign.inc.php";
} elseif (isset($_GET["view"])) {
include "./view.inc.php";
} elseif (isset($_GET["event"])) {
include "./event.inc.php";
} elseif (isset($_GET["procedure"])) {
include "./procedure.inc.php";
} elseif (isset($_GET["sequence"])) {
include "./sequence.inc.php";
} elseif (isset($_GET["type"])) {
include "./type.inc.php";
} elseif (isset($_GET["trigger"])) {
include "./trigger.inc.php";
} elseif (isset($_GET["user"])) {
include "./user.inc.php";
} elseif (isset($_GET["processlist"])) {
include "./processlist.inc.php";
} elseif (isset($_GET["select"])) {
include "./select.inc.php";
} elseif (isset($_GET["variables"])) {
include "./variables.inc.php";
} elseif (isset($_GET["script"])) {
include "./script.inc.php";
} else {
include "./db.inc.php";
}
// ...
https://github.com/vrana/adminer/blob/master/adminer/index.php
p.s хотя сама штука полезная, пару раз выручала
0
bool valueToString(std::string_view str, float& value) try {
const auto end = std::numeric_limits<std::size_t>::max();
const float parsed = std::stof(str.data(), &end);
if (end != str.size())
return false;
value = parsed;
return true;
} catch (...) {
return false;
}
string_view пирформанс! Спойлер: да, там std::stof
0
SELECT * FROM order WHERE coalesce(cancelation_date,\'7777-07-07\'::DATE) >= :tdDate
+4
#include<stdio.h>
#include<math.h>
int const n = 50, n1 = 40, m = n / n1;
double f1(double t, double x, double y, double z);
double f2(double t, double x, double y, double z);
double f3(double t, double x, double y, double z);
int main() {
int i, k, ll;
double k11, k12, k13, k21, k22, k23, k31, k32, k33, k14, k24, k34;
double x, y, z, max;
double res[12][n1 + 1], h, a, b, t, pi, xn, yn, zn;
max = 1000.0; x = 3.0;
y = -2.0; z = -3.0;
a = 0.0; b = 1.0;
h = (b - a) / double(n);
k = 0; t = a;
res[0][0] = t; res[1][0] = x;
res[2][0] = y;
res[3][0] = z;
for (i = 1; i <= n; i++) {
k11 = f1(t, x, y, z);
k21 = f2(t, x, y, z);
k31 = f3(t, x, y, z);
k12 = f1(t + h / 2.0, x + h*k11 / 2.0, y + h*k21 / 2.0, z + h*k31 / 2.0);
k22 = f2(t + h / 2.0, x + h*k11 / 2.0, y + h*k21 / 2.0, z + h*k31 / 2.0);
k32 = f3(t + h / 2.0, x + h*k11 / 2.0, y + h*k21 / 2.0, z + h*k31 / 2.0);
k13 = f1(t + h / 2.0, x + h*k12 / 2.0, y + h*k22 / 2.0, z + h*k32 / 2.0);
k23 = f2(t + h / 2.0, x + h*k12 / 2.0, y + h*k22 / 2.0, z + h*k32 / 2.0);
k33 = f3(t + h / 2.0, x + h*k12 / 2.0, y + h*k22 / 2.0, z + h*k32 / 2.0);
k14 = f1(t + h, x + h*k13, y + h*k23, z + h*k33);
k24 = f2(t + h, x + h*k13, y + h*k23, z + h*k33);
k34 = f3(t + h, x + h*k13, y + h*k23, z + h*k33);
x = x + h*(k11 + 2.0*(k12 + k13) + k14) / 6.0;
y = y + h*(k21 + 2.0*(k22 + k23) + k24) / 6.0;
z = z + h*(k31 + 2.0*(k32 + k33) + k34) / 6.0;
t = t + h;
if (i%m == 0) {
k = k + 1;
res[0][k] = t;
res[1][k] = x;
res[2][k] = y;
res[3][k] = z;
res[4][k] = exp(t) + exp(2.0*t) + exp(-t);
res[5][k] = exp(t) - 3.0*exp(-t);
res[6][k] = exp(t) + exp(2.0*t) - 5.0*exp(-t);
res[7][k] = res[4][k] - res[1][k];
res[8][k] = res[5][k] - res[2][k];
res[9][k] = res[6][k] - res[3][k];
} if (res[7][k] < 0.0) {
res[7][k] = -res[7][k];
}
else if (res[8][k] < 0.0) {
res[8][k] = -res[8][k];
}
else if (res[9][k] < 0.0) {
res[9][k] = -res[9][k];
}
res[10][k] = res[7][k] + res[8][k] + res[9][k];
}
ll = k;
printf("k=%d\n", ll);
for (i = 0; i <= ll; i++) {
if (res[10][i] < max) max = res[10][i];
} for (i = 0; i <= n1; i++) {
printf("t=%.16lf\n", res[0][i]);
printf("x=%.16lf x(exact)=%.16lf delta=%.16lf\n", res[1][k], res[4][k], res[1][k] - res[4][k]);
printf("y=%.16lf y(exact)=%.16lf delta=%.16lf \n", res[2][k], res[5][k], res[2][k] - res[5][k]);
printf("z=%.16lf z(exact)=%.16lf delta=%.16lf \n", res[3][k], res[6][k], res[3][k] - res[6][k]);
}
printf("result:\n");
printf("t=%.16lf\n", res[0][n1]);
printf("x=%.16lf x(exact)=%.16lf delta=%.16lf\n", res[1][n1], res[4][n1], res[1][n1] - res[4][n1]);
printf("y=%.16lf y(exact)=%.16lf delta=%.16lf \n", res[2][n1], res[5][n1], res[2][n1] - res[5][n1]);
printf("z=%.16lf z(exact)=%.16lf delta=%.16lf \n", res[3][n1], res[6][n1], res[3][n1] - res[6][n1]);
printf("max norma|x|1=%.16lf \n", max / 3.0);
system("pause");
return 0;
}
double f1(double t, double x, double y, double z)
{
return x + z - y;
}
double f2(double t, double x, double y, double z)
{
return x + y - z;
}
double f3(double t, double x, double y, double z)
{
return 2.0*x - y;
}
Кандидат физико-математических наук сделал методичку по предмету "Моделирование систем". Это он так описал алгоритм решения системы ОДУ методом Рунге-Кутты.
0
Connected to MongoDB!
GET /api/v1/labels 200 185ms - 17.35kb
GET /api/v1/labels 200 507ms - 17.35kb
GET /api/v1/labels 200 168ms - 17.35kb
GET /api/v1/labels 200 199ms - 17.35kb
GET /api/v1/labels 200 161ms - 17.35kb
GET /api/v1/labels 200 142ms - 17.35kb
GET /api/v1/labels 200 193ms - 17.35kb
GET /api/v1/labels 200 125ms - 17.35kb
GET /api/v1/labels 200 10170ms - 17.35kb
GET /api/v1/labels 200 152ms - 17.35kb
GET /api/v1/labels 200 151ms - 17.35kb
GET /api/v1/labels 200 141ms - 17.35kb
GET /api/v1/labels 200 135ms - 17.35kb
GET /api/v1/labels 200 122ms - 17.35kb
GET /api/v1/labels 200 195ms - 17.35kb
Обожаю MongoDB
+2
// https://github.com/vk-com/kphp-kdb/blob/ce6dead5b3345f4b38487cc9e45d55ced3dd7139/bayes/bayes-data.c#L569
for (i = j = 0; v[i]; i++) {
f[j] = i;
if (v[i + 1] == '#' && (v[i] == '&' || v[i] == '$')) {
int r = 0, ti = i;
if (v[i + 2] != 'x') {
for (i += 2; v[i] != ';' && v[i]; i++) {
if ('0' <= v[i] && v[i] <= '9') {
r = r * 10 + v[i] - '0';
} else {
break;
}
}
} else {
for (i += 3; v[i] != ';' && v[i]; i++) {
if (('0' <= v[i] && v[i] <= '9') ||
('a' <= v[i] && v[i] <= 'f') ||
('A' <= v[i] && v[i] <= 'F')) {
r = r * 16;
if (v[i] <= '9') {
r += v[i] - '0';
} else if (v[i] <= 'F') {
r += v[i] - 'A' + 10;
} else {
r += v[i] - 'a' + 10;
}
} else {
break;
}
}
}
if (r == 0) {
bad[j] = 0;
pv[j++] = v[i = ti];
} else {
bad[j] = 1;
pv[j++] = r;
if (v[i] != ';') {
i--;
}
}
} else if (v[i] == '%' && '0' <= v[i + 1] && v[i + 1] <= '7' &&
(('0' <= v[i + 2] && v[i + 2] <= '9') ||
('a' <= v[i + 2] && v[i + 2] <= 'f') ||
('A' <= v[i + 2] && v[i + 2] <= 'F'))) {
int r = (v[i + 1] - '0') * 16;
if (v[i + 2] <= '9') {
r += v[i + 2] - '0';
} else if (v[i + 2] <= 'F') {
r += v[i + 2] - 'A' + 10;
} else {
r += v[i + 2] - 'a' + 10;
}
i += 2;
if (r != ':' && r != '/' && r != '=' && r != '?' && r != '&' && r != '+') {
bad[j] = 1;
} else {
bad[j] = 0;
}
pv[j++] = r;
} else {
bad[j] = 0;
pv[j++] = v[i];
}
}
f[j] = i;
pv[j] = 0;
for (i = 0; i < j; i++) {
if ('A' <= pv[i] && pv[i] <= 'Z') {
pv[i] = pv[i] - 'A' + 'a';
bad[i] += 2;
}
}
Очередной ебаный пиздец из kPHP
В предыдущих сериях:
http://govnokod.ru/19842
http://govnokod.ru/15406
+2
string shifarhex(string count)
{
string take,take2;
string getch1;
getch1=count;
string sub1 = "0000";//2 to 3 31
unsigned int pos1 = getch1.find(sub1,0);
if(pos1 != string::npos)
{
take2="0";
}
string sub2 = "0001";//2 to 3 31
unsigned int pos2 = getch1.find(sub2,0);
if(pos2 != string::npos)
{
take2="1";
}
string sub3 = "0010";//2 to 3 31
unsigned int pos3 = getch1.find(sub3,0);
if(pos3 != string::npos)
{
take2="2";
}
string sub4 = "0011";//2 to 3 31
unsigned int pos4 = getch1.find(sub4,0);
if(pos4 != string::npos)
{
take2="3";
}
string sub5 = "0100";//2 to 3 31
unsigned int pos5 = getch1.find(sub5,0);
if(pos5 != string::npos)
{
take2="4";
}
string sub6 = "0101";//2 to 3 31
unsigned int pos6 = getch1.find(sub6,0);
if(pos6 != string::npos)
{
take2="5";
}
string sub7 = "0110";//2 to 3 31
unsigned int pos7 = getch1.find(sub7,0);
if(pos7 != string::npos)
{
take2="6";
}
string sub8 = "0111";//2 to 3 31
unsigned int pos8 = getch1.find(sub8,0);
if(pos8 != string::npos)
{
take2="7";
}
string sub9 = "1000";//2 to 3 31
unsigned int pos9 = getch1.find(sub9,0);
if(pos9 != string::npos)
{
take2="8";
}
string sub10 = "1001";//2 to 3 31
unsigned int pos10 = getch1.find(sub10,0);
if(pos10 != string::npos)
{
take2="9";
}
string sub11 = "1010";//2 to 3 31
unsigned int pos11 = getch1.find(sub11,0);
if(pos11 != string::npos)
{
take2="A";
}
string sub12 = "1011";//2 to 3 31
unsigned int pos12 = getch1.find(sub12,0);
if(pos12 != string::npos)
{
take2="B";
}
string sub13 = "1100";//2 to 3 31
unsigned int pos13 = getch1.find(sub13,0);
if(pos13 != string::npos)
{
take2="B";
}
string sub14 = "1101";//2 to 3 31
unsigned int pos14 = getch1.find(sub14,0);
if(pos14 != string::npos)
{
take2="D";
}
string sub15 = "1110";//2 to 3 31
unsigned int pos15 = getch1.find(sub15,0);
...
http://www.sql.ru/forum/1269897/delaem-arhivator
Вореционное зожатие битов
+1
(* /*
C > /) 2> /dev/null & echo hello world!; exit
* This file is correct input for:
* sh, cc, pc, f77
*/ main(program)) { puts("hello world!"); /*
*) program main(output);begin writeln('hello world!')end. {
write( *, '("hello world!")')
end
*/ return &program; }
Bash: https://ideone.com/HKy5RJ
C: https://ideone.com/KFbJsK
Pascal (fpc): https://ideone.com/4zcc51
+1
(*a/*/ % #)(PostScript)/Helvetica 40 selectfont 9 400 moveto show%v"f"a0
true showpage quit%#) 2>/dev/null;echo bash;exit #*/);int main()/*>"eb"v
%a*0)unless print"perl\n"__END__*/{printf("C\n");/*>>#;"egnu">:#,_@;,,,<
*)begin writeln(*\output={\setbox0=\box255}\eject\shipout\hbox{\TeX}\end
*)('pascal');end.{*/return 0;}
C: https://ideone.com/Ntu3S0
Pascal (fpc): https://ideone.com/A9qZ0x
Bash: https://ideone.com/TYr7cu
Perl: https://ideone.com/fAUhiv