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What is the “__v” field in Mongoose
...n_key, you can just:
var UserSchema = new mongoose.Schema({
nickname: String,
reg_time: {type: Date, default: Date.now}
}, {
versionKey: false // You should be aware of the outcome after set to false
});
Setting the versionKey to false means the document is no longer versioned.
This...
Java: Get month Integer from Date
...ime datetime = new DateTime(date);
int month = Integer.parseInt(datetime.toString("MM"))
…or…
int month = dateTime.getMonthOfYear();
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Convert a bitmap into a byte array
...er format it was in when you provided it, and returns the array. Skip the extra overhead of creating an ImageConverter class by using MemoryStream
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When is the @JsonProperty property used and what is it used for?
...er-case letter.
public class Parameter {
@JsonProperty("Name")
public String name;
@JsonProperty("Value")
public String value;
}
This correctly parses to/from the JSON:
"Parameter":{
"Name":"Parameter-Name",
"Value":"Parameter-Value"
}
...
What is the format specifier for unsigned short int?
... a short int argument.
So to print an unsigned short integer, the format string should be "%hu".
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GCM with PHP (Google Cloud Messaging)
...etopt($ch, CURLOPT_HTTPHEADER, $headers);
// Get the response back as string instead of printing it
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// Set JSON post data
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($post));
// Actually send the request
$resu...
Cross field validation with Hibernate Validator (JSR 303)
... UserRegistrationForm {
@NotNull
@Size(min=8, max=25)
private String password;
@NotNull
@Size(min=8, max=25)
private String confirmPassword;
@NotNull
@Email
private String email;
@NotNull
@Email
private String confirmEmail;
}
The Annotation:
pac...
Reference requirements.txt for the install_requires kwarg in setuptools setup.py file
...
It can't take a file handle. The install_requires argument can only be a string or a list of strings.
You can, of course, read your file in the setup script and pass it as a list of strings to install_requires.
import os
from setuptools import setup
with open('requirements.txt') as f:
requi...
Handling an empty UITableView. Print a friendly message
...import UIKit
extension UITableView {
func setEmptyMessage(_ message: String) {
let messageLabel = UILabel(frame: CGRect(x: 0, y: 0, width: self.bounds.size.width, height: self.bounds.size.height))
messageLabel.text = message
messageLabel.textColor = .black
messa...
check android application is in foreground or not? [duplicate]
...ses();
if (appProcesses == null) {
return false;
}
final String packageName = context.getPackageName();
for (RunningAppProcessInfo appProcess : appProcesses) {
if (appProcess.importance == RunningAppProcessInfo.IMPORTANCE_FOREGROUND && appProcess.processName.equal...