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How to scale Docker containers in production
So I recently discovered this awesom>me m> tool, and it says
10 Answers
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Convert a JSON String to a HashMap
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I wrote this code som>me m> days back by recursion.
public static Map<String, Object> jsonToMap(JSONObject json) throws JSONException {
Map<String, Object> retMap = new HashMap<String, Object>();
if(json != JSONObject.NULL...
How to get current user, and how to use User class in MVC5?
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using Microsoft.AspNet.Identity;
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User.Identity.GetUserId();
Worth m>me m>ntioning that User.Identity.IsAuthenticated and User.Identity.Nam>me m> will work without adding the above m>me m>ntioned using statem>me m>nt. But GetUserId() won't be present without it.
If you're in a class other than a Controller, u...
input type=“submit” Vs button tag are they interchangeable?
...TR/html4/interact/forms.html#h-17.5
Buttons created with the BUTTON elem>me m>nt function just like buttons created with the INPUT elem>me m>nt, but they offer richer rendering possibilities: the BUTTON elem>me m>nt may have content. For example, a BUTTON elem>me m>nt that contains an image functions like and may r...
MySQL DROP all tables, ignoring foreign keys
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I found the generated set of drop statem>me m>nts useful, and recomm>me m>nd these tweaks:
Limit the generated drops to your database like this:
SELECT concat('DROP TABLE IF EXISTS `', table_nam>me m>, '`;')
FROM information_schema.tables
WHERE table_schema = 'MyDatabaseNa...
Keyboard Interrupts with python's multiprocessing Pool
...ertainly interrupt a condition wait.
Note that this doesn't happen if a tim>me m>out is specified; cond.wait(1) will receive the interrupt imm>me m>diately. So, a workaround is to specify a tim>me m>out. To do that, replace
results = pool.map(slowly_square, range(40))
with
results = pool.map_async(s...
How to play an android notification sound
...ondering how I could play a notification sound without playing it over the m>me m>dia stream. Right now I can do this via the m>me m>dia player, however I don't want it to play as a m>me m>dia file, I want it to play as a notification or alert or ringtone. heres an example of what my code looks like right now:
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Constructor in an Interface?
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Taking som>me m> of the things you have described:
"So you could be sure that som>me m> fields in a class are defined for
every implem>me m>ntation of this interface."
"If a define a Interface for this class so that I can have more
clas...
Best way to convert an ArrayList to a string
.... Essentially I want to output it in order using the toString of each elem>me m>nt separated by tabs. Is there any fast way to do this? You could loop through it (or remove each elem>me m>nt) and concatenate it to a String but I think this will be very slow.
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JavaScript post request like a form submit
...param {object} params the paramiters to add to the url
* @param {string} [m>me m>thod=post] the m>me m>thod to use on the form
*/
function post(path, params, m>me m>thod='post') {
// The rest of this code assum>me m>s you are not using a library.
// It can be made less wordy if you use one.
const form = docum...