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Show loading image while $.ajax is performed
...ax object's beforeSend and complete functions. It's better to show the gif from inside beforeSend so that all the behavior is encapsulated in a single object. Be careful about hiding the gif using the success function. If the request fails, you'll probably still want to hide the gif. To do this use ...
Struct constructor: “fields must be fully assigned before control is returned to the caller.”
...uct that has an automatic property, just call the parameterless contructor from your parameterized one by doing : this() example below:
struct MyStruct
{
public int SomeProp { get; set; }
public MyStruct(int someVal) : this()
{
this.SomeProp = someVal;
}
}
By calling :this() from yo...
Why are my basic Heroku apps taking two seconds to load?
...
If your application is unused for a while it gets unloaded (from the server memory).
On the first hit it gets loaded and stays loaded until some time passes without anyone accessing it.
This is done to save server resources. If no one uses your app why keep resources busy and not...
GET URL parameter in PHP
...ble that's populated by PHP and is available in all scopes (you can use it from inside a function without the global keyword).
Since the variable might not exist, you could (and should) ensure your code does not trigger notices with:
<?php
if (isset($_GET['link'])) {
echo $_GET['link'];
} e...
HTML tag want to add both href and onclick working
... at fiddle.jshell.net/_display was not allowed to display insecure content from example.com - so probably this is some security issue (only on fiddle ? )
– Kamil Kiełczewski
Oct 7 '18 at 16:46
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What causes imported Maven project in Eclipse to use Java 1.5 instead of Java 1.6 by default and how
...in doesn't use Eclipse defaults, the m2eclipse plugin derives the settings from the POM. So if you want a Maven project to be configured to use Java 1.6 settings when imported under Eclipse, configure the maven-compiler-plugin appropriately, as I already suggested:
<plugin>
<groupId>o...
Subscript and Superscript a String in Android
...
((TextView)findViewById(R.id.text)).setText(Html.fromHtml("X<sup>2</sup>"));
or
Common Tasks and How to Do Them in Android
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Get Value of a Edit Text field
...
you should add explanation where does the "mEdit" come from.
– null
Aug 13 '14 at 12:02
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Starting the week on Monday with isoWeekday()
... 7 + moment(startOfPeriod).isoWeekday() - myIsoWeekDay;
// subtract days from start of period
var begin = moment(startOfPeriod).subtract('d', daysToSubtract);
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How can I hash a password in Java?
... return hashOfInput.equals(saltAndHash[1]);
}
// using PBKDF2 from Sun, an alternative is https://github.com/wg/scrypt
// cf. http://www.unlimitednovelty.com/2012/03/dont-use-bcrypt.html
private static String hash(String password, byte[] salt) throws Exception {
if (pass...