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PDO Prepared Inserts multiple rows in single query
... table (fielda, fieldb, ... ) values (?,?...), (?,?...)....
That is basically how we want the insert statement to look like.
Now, the code:
function placeholders($text, $count=0, $separator=","){
$result = array();
if($count > 0){
for($x=0; $x<$count; $x++){
$re...
What's the difference between :: (double colon) and -> (arrow) in PHP?
... used to access static members, such usage is discouraged), while :: is usually used to access static members (though in a few special cases, it's used to access instance members).
In general, :: is used for scope resolution, and it may have either a class name, parent, self, or (in PHP 5.3) static...
Create a CSV File for a user in PHP
...ord2,record3\n";
die;
etc
Edit: Here's a snippet of code I use to optionally encode CSV fields:
function maybeEncodeCSVField($string) {
if(strpos($string, ',') !== false || strpos($string, '"') !== false || strpos($string, "\n") !== false) {
$string = '"' . str_replace('"', '""', $st...
解决：Run-Time Check Failure #0，The value of ESP was not properly sav...
...常。
所以把在函数定义中进行设置调用规则即可解决此问题。
如： typedef void (__stdcall Foo)(int a);
typedef int ( *PFUN)(HWND hWnd, LPCTSTR lpText, LPCTSTR lpCaption, UINT uType);
void CTestProcessMonitorDlg::OnBnClickedButton1()
{
// TODO: Add your contro...
Convert SVG image to PNG with PHP
I'm working on a web project that involves a dynamically generated map of the US coloring different states based on a set of data.
...
Get the client IP address using PHP [duplicate]
...
I usually don't like nested ternaries, but I really like it in this case...
– Charles Harmon
Jul 18 '14 at 20:49
...
how to detect search engine bots with php?
...ming to them. It also depends on utility. I wouldn't use this to strip out all CSS, but I would use this to not store cookies, ignore location logging, or skip a landing page.
– JonShipman
Mar 26 '15 at 21:28
...
How do you Encrypt and Decrypt a PHP String?
... You may also use GCM (which removes the need for a separate MAC). Additionally, ChaCha20 and Salsa20 (provided by libsodium) are stream ciphers and do not need special modes.
Unless you chose GCM above, you should authenticate the ciphertext with HMAC-SHA-256 (or, for the stream ciphers, Poly1305 -...
How to read if a checkbox is checked in PHP?
...
this is the really good form to do this in pure simple php. but have to note that the value of a checkbox is string on when it is activated an a inexisting value if it is checked.
– Elvis Technologies
...
warning C4996 - C/C++ - 清泛网 - 专注C/C++及内核技术
...可能会产生诸如内存泄露、缓冲区溢出、非法访问等安全问题。这些函数如：strcpy、strcat等。
对于这些问题，VC2005建议使用这些函数的更高级的安全版本，即在这些函数名后面加了一个_s的函数。这些安全版本函数使用起来更...