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How do I create a URL shortener?
...
I would continue your "convert number to string" approach. However, you will realize that your proposed algorithm fails if your ID is a prime and greater than 52.
Theoretical background
You need a Bijective Function f. This is necessary so that you can find a inve...
Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
...until cores become free. In your example you can use 6 blocks and have the extra threads do nothing(2/3 of the threads on the 6th block).
– Aliza
Nov 15 '11 at 12:59
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Cleaning up the iPhone simulator
...up a customer's iPhone when you ship a new version with a new schema.
For extra points, after determining that you have encountered an old schema, you may want to copy the new database over without destroying the old one, and load any interesting data out of the old database, into the new one. T...
Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;
...ng 16!)
I added an external JAR to both those projects and pointed it to \extras\android\v4...
And also removed the v4 jar I had in their libs folders.
Clean all projects and re-build.
Voilla!
The exact error I was receiving: Unable to execute dex: Multiple dex files define Landroid/support/v4/v...
JS strings “+” vs concat method [duplicate]
I have some experience with Java and I know that strings concatenation with "+" operator produces new object.
5 Answers
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How does autowiring work in Spring?
... @RequestMapping("/login")
public void login(@RequestParam("username") String username,
@RequestParam("password") String password) {
// The UserServiceImpl is already injected and you can use it
userService.login(username, password);
}
}
A few notes:
In your ...
How can I convert an image into Base64 string using JavaScript?
I need to convert my image to a Base64 string so that I can send my image to a server.
13 Answers
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File uploading with Express 4.0: req.files undefined
...use this tutorial uses 3.4.8 and can upload files without the need for any extra middleware blog.robertonodi.me/simple-image-upload-with-express
– thetrystero
Jun 24 '16 at 7:13
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C++ Best way to get integer division and remainder
...and the struct access is optimized away) is a bigger penalty than doing an extra division instruction.
– pezcode
Aug 15 '11 at 20:42
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Can I query MongoDB ObjectId by date?
...ObjectId embedded with a given datetime */
/* Accepts both Date object and string input */
function objectIdWithTimestamp(timestamp) {
/* Convert string date to Date object (otherwise assume timestamp is a date) */
if (typeof(timestamp) == 'string') {
timestamp = new Date(timestamp)...