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Clone private git repo with dockerfile
...bles, and have a shell script update your docker file at runtime. You keep tokens out of your Dockerfiles and you can clone over https (no need to generate or pass around ssh keys).
Go to Settings > Personal Access Tokens
Generate a personal access token with repo scope enabled.
Clone like thi...
What is exactly the base pointer and stack pointer? To what do they point?
... ; Create new frame pointer pointing to current stack top
sub esp, 20 ; allocate 20 bytes worth of locals on stack.
Then later in the function you may have code like (presuming both local variables are 4 bytes)
mov [ebp-4], eax ; Store eax in first local
mov ebx, [ebp - 8] ; Load ebx from ...
Difference between java.util.Random and java.security.SecureRandom
...team got handed over some server side code (in Java) that generates random tokens and I have a question regarding the same -
...
What's the difference between VARCHAR and CHAR?
...n hold is 255 characters.
It's 50% faster than VARCHAR.
Uses static memory allocation.
VARCHAR
Used to store variable length alphanumeric data.
The maximum this data type can hold is up to
Pre-MySQL 5.0.3: 255 characters.
Post-MySQL 5.0.3: 65,535 characters shared for the row.
It's slower tha...
Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
...
From ArrayBuffer to Buffer:
function toBuffer(ab) {
var buf = Buffer.alloc(ab.byteLength);
var view = new Uint8Array(ab);
for (var i = 0; i < buf.length; ++i) {
buf[i] = view[i];
}
return buf;
}
...
ElasticSearch: Unassigned Shards, how to fix?
...l re-assign shards to nodes dynamically. However, if you've disabled shard allocation (perhaps you did a rolling restart and forgot to re-enable it), you can re-enable shard allocation.
# v0.90.x and earlier
curl -XPUT 'localhost:9200/_settings' -d '{
"index.routing.allocation.disable_allocatio...
Virtual Memory Usage from Java under Linux, too much memory used
...is last item is either a file or "anon", which indicates a block of memory allocated via mmap.
Starting from the top, we have
The JVM loader (ie, the program that gets run when you type java). This is very small; all it does is load in the shared libraries where the real JVM code is stored.
A bun...
How to make sure that string is valid JSON using JSON.NET
...method).
(Using JSON.Net)
Simplest way would be to Parse the string using JToken.Parse, and also to check if the string starts with { or [ and ends with } or ] respectively (added from this answer):
private static bool IsValidJson(string strInput)
{
if (string.IsNullOrWhiteSpace(strInput)) { ret...
How can I send mail from an iPhone application
...:
MFMailComposeViewController* controller = [[MFMailComposeViewController alloc] init];
controller.mailComposeDelegate = self;
[controller setSubject:@"My Subject"];
[controller setMessageBody:@"Hello there." isHTML:NO];
if (controller) [self presentModalViewController:controller animated:YES];
[c...
Make Https call using HttpClient
....github.com");
client.DefaultRequestHeaders.Add(
"Authorization",
"token 123456789307d8c1d138ddb0848ede028ed30567");
client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/json"));
client.DefaultRequestHeaders.Add(
"User-Agent",
"Mozilla/5.0 (Wi...