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What are allowed characters in cookies?
... standard many more special characters are disallowed, as it uses RFC 2616 tokens (a - is still allowed there), and only the value may be specified in a quoted-string with other characters. No browser ever implemented the limitations, the special handling of quoted strings and escaping, or the new f...
Recommended way of making React component/div draggable
...FPS for me in every browser I tried.
const throttle = (f) => {
let token = null, lastArgs = null;
const invoke = () => {
f(...lastArgs);
token = null;
};
const result = (...args) => {
lastArgs = args;
if (!token) {
token = request...
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
... either an honest to God out-of-memory condition (dup_mm, dup_task_struct, alloc_pid, mpol_dup, mm_init etc. croak), or because security_vm_enough_memory_mm failed you while enforcing the overcommit policy.
Start by checking the vmsize of the process that failed to fork, at the time of the fork att...
Selecting an element in iFrame jQuery
...another page in an iFrame. All the elements in that loaded page have their tokenid-s. I need to select the elements by those tokenid-s. Means - I click on an element on the main page and select corresponding element in the page in the iFrame. With the help of jQuery I'm doing it in the following way...
Does JSON syntax allow duplicate keys in an object?
... object:
An object structure is represented as a pair of curly bracket tokens surrounding zero or more name/value pairs.
A name is a string. A single colon token follows each name, separating the name from the value. A single
comma token separates a value from a following name.
It...
Convert integer into byte array (Java)
...
Have a look at the ByteBuffer class.
ByteBuffer b = ByteBuffer.allocate(4);
//b.order(ByteOrder.BIG_ENDIAN); // optional, the initial order of a byte buffer is always BIG_ENDIAN.
b.putInt(0xAABBCCDD);
byte[] result = b.array();
Setting the byte order ensures that result[0] == 0xAA, re...
How to find largest objects in a SQL Server database?
... i.object_id = p.object_id AND i.index_id = p.index_id
INNER JOIN
sys.allocation_units a ON p.partition_id = a.container_id
WHERE
t.name NOT LIKE 'dt%' AND
i.object_id > 255 AND
i.index_id <= 1
GROUP BY
t.name, i.object_id, i.index_id, i.name
ORDER BY
object_name...
strdup() - what does it do in C?
...e as the following code:
char *strdup(const char *src) {
char *dst = malloc(strlen (src) + 1); // Space for length plus nul
if (dst == NULL) return NULL; // No memory
strcpy(dst, src); // Copy the characters
return dst; // Re...
GCM with PHP (Google Cloud Messaging)
...ta = array('message' => 'Hello World!');
// The recipient registration tokens for this notification
// https://developer.android.com/google/gcm/
$ids = array('abc', 'def');
// Send push notification via Google Cloud Messaging
sendPushNotification($data, $ids);
function sendPushNotification...
iOS 7 style Blur view
... [master repo]
I added it by using:
FXBlurView *blurView = [[FXBlurView alloc] initWithFrame:CGRectMake(50, 50, 150, 150)];
[self.blurView setDynamic:YES];
[self.view addSubview:self.blurView];
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