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How do I manage MongoDB connections in a Node.js web application?
...database errors when using the connection anyway, this doesn't lead to any extra inline handling.
– java-addict301
Jun 6 '17 at 0:31
...
What is the difference between OpenID and SAML?
...rther expands this to make it possible to obtain the identity without this extra step involving the call from the application to the identity provider. The idea is based on the fact that OpenID Connect providers in fact issue two tokens, the access_token, the very same one OAuth2.0 issues and the ne...
Setting onClickListener for the Drawable right of an EditText [duplicate]
...= drawableLeft.getBounds();
int x, y;
int extraTapArea = (int) (13 * getResources().getDisplayMetrics().density + 0.5);
x = actionX;
y = actionY;
if (!bounds.contains(actionX, actionY)) {
/** Give...
printf() formatting for hex
...
The # part gives you a 0x in the output string. The 0 and the x count against your "8" characters listed in the 08 part. You need to ask for 10 characters if you want it to be the same.
int i = 7;
printf("%#010x\n", i); // gives 0x00000007
printf("0x%08x\n", i);...
TypeScript “this” scoping issue when called in jquery callback
...ers to forget to handle this context
Good: Typesafe in TypeScript
Good: No extra work if the function has parameters
Bad: Derived classes can't call base class methods written this way using super.
Bad: The exact semantics of which methods are "pre-bound" and which aren't create an additional non-ty...
What are metaclasses in Python?
...ell, I guess it's a matter of consistency with str, the class that creates
strings objects, and int the class that creates integer objects. type is
just the class that creates class objects.
You see that by checking the __class__ attribute.
Everything, and I mean everything, is an object in Python. ...
In-Place Radix Sort
...place but requires 2 * seq.length passes through the array.
void radixSort(string[] seqs, size_t base = 0) {
if(seqs.length == 0)
return;
size_t TPos = seqs.length, APos = 0;
size_t i = 0;
while(i < TPos) {
if(seqs[i][base] == 'A') {
swap(seqs[i], seq...
Save Screen (program) output to a file
...cess:
logfile test.log
logfile flush 1
log on
logtstamp after 1
logtstamp string "[ %t: %Y-%m-%d %c:%s ]\012"
logtstamp on
If you want to do it "on the fly", you can change logfile automatically.
\012 means "new line", as using \n will print it on the log file: source.
Start your command with the...
Merge up to a specific commit
... work and want to merge newbranch to master ; however, I have made some extra changes to newbranch and I want to merge newbranch up to the fourth-from-the-last commit to master .
...
Semi-transparent color layer over background-image?
..., so here's another option.
This one is pure CSS, and doesn't require any extra HTML.
box-shadow: inset 0 0 0 1000px rgba(0,0,0,.2);
There are a surprising number of uses for the box-shadow feature.
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