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Putting a simple if-then-else statement on one line [duplicate]
...lly like the terseness of the syntax. However, is there an easier way of writing an if - then - else statement so it fits on one line?
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How to reload or re-render the entire page using AngularJS
... and having made several $http requests, I want the user to be able to switch contexts and re-render everything again (resending all $http requests, etc). If I just redirect the user somewhere else, things work properly:
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What exactly is an “open generic type” in .NET? [duplicate]
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The C# language defines an open type to be a type that's either a type argument or a generic type defined with unknown type arguments:
All types can be classified as either open types or closed types. An open type is a type that involves type parameters. More specifically:
A type ...
How can I make Flexbox children 100% height of their parent?
I'm trying to fill the vertical space of a flex item inside a Flexbox.
10 Answers
10
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“for loop” with two variables? [duplicate]
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If you want the effect of a nested for loop, use:
import itertools
for i, j in itertools.product(range(x), range(y)):
# Stuff...
If you just want to loop simultaneously, use:
for i, j in zip(range(x), range(y)):
# Stuff...
Note that if x and y are not the same length, ...
How do I export a project in the Android studio?
...appear where you need to enter the keystore file info, other signing authority details.
Once you fill complete details then click on the Ok button then it redirect to this dialog.
Click on the Next button then check mark on the Run ProGuard and click on the finish. It generate the signed APK.
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Why should I use 'li' instead of 'div'?
I'm not sure why I need to use ul-li vs simply using divs when listing items. I can make both look exactly the same so where is the functional advantage to creating an unordered list vs lining up divs?
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How do you convert a byte array to a hexadecimal string, and vice versa?
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Either:
public static string ByteArrayToString(byte[] ba)
{
StringBuilder hex = new StringBuilder(ba.Length * 2);
foreach (byte b in ba)
hex.AppendFormat("{0:x2}", b);
return hex.ToString();
}
or:
public static s...
Trigger a button click with JavaScript on the Enter key in a text box
...put id="pw" type="password"><br>
<button id="myButton">Submit</button>
Or in plain JavaScript, the following would work:
document.getElementById("id_of_textbox")
.addEventListener("keyup", function(event) {
event.preventDefault();
if (event.keyCode === 13) {...
Find MongoDB records where array field is not empty
... $exists: true, $ne: [] } })
Since MongoDB 2.6 release, you can compare with the operator $gt but could lead to unexpected results (you can find a detailled explanation in this answer):
ME.find({ pictures: { $gt: [] } })
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