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CodeIgniter: Create new helper?
...ined('BASEPATH')) exit('No direct script access allowed');
if ( ! function_exists('test_method'))
{
function test_method($var = '')
{
return $var;
}
}
Save this to application/helpers/ . We shall call it "new_helper.php"
The first line exists to make sure the file cannot b...
Match multiline text using regular expression
...eUploader: {
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 4...
Changing java platform on which netbeans runs
...ble under etc folder inside the NetBeans installation.
Modify the netbeans_jdkhome variable to point to new JDK path, and then
Restart your Netbeans.
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What is the purpose of using -pedantic in GCC/G++ compiler?
...s OK when I re-enable it (the one program that didn't was explicitly using __int128 types, which are pedantically incorrect). I think there was an intervening stage when GCC was too noisy (for my liking) with -pedantic. I just tested about 300 source files — some library code, some commands, som...
How does one remove an image in Docker?
...
Ah, i didn't know about the command for "remove all existing container". Had written own: docker ps -a | sed -r 's/^(\w+).*/\1/g' | sed -r 's/^CONTAINER//' | sed -r 's/^(\w+)/docker rm \1/g' | awk 'system($0)' Thanks !
– Anurag
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maximum value of int
...
In C++:
#include <limits>
then use
int imin = std::numeric_limits<int>::min(); // minimum value
int imax = std::numeric_limits<int>::max();
std::numeric_limits is a template type which can be instantiated with other types:
float fmin = std::numeric_limits<float>...
灰度图中找出深色像素并给出坐标 · App Inventor 2 中文网
...灰度图（素材里上传）。
拖一个标签、两个按钮（按钮_扫描、按钮_分批）、一个计时器（取消勾选「启用计时」）。
图片不是灰度图也没关系，加一个图片处理组件先转成灰度（见图片处理）：
when Screen1.Initialize() {
画...
How to loop backwards in python? [duplicate]
...
for x in reversed(whatever):
do_something()
This works on basically everything that has a defined order, including xrange objects and lists.
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Print list without brackets in a single row
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@FredrickGauss if you add from __future__ import print_function it'll work in python 2 as well.
– Anthony Sottile
Aug 26 '17 at 22:07
1
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How do I convert from int to String?
...tClass extends java.lang.Object{
public TestClass();
Code:
0: aload_0
1: invokespecial #1; //Method java/lang/Object."<init>":()V
4: return
public static void main(java.lang.String[]);
Code:
0: iconst_5
1: istore_1
Initialise the StringBuilder:
2: ...