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Create JSON-object the correct way
..., as it seems you want the output to be with "{}", you better make sure to force json_encode() to encode as object, by passing the JSON_FORCE_OBJECT constant.
$post_data = json_encode(array('item' => $post_data), JSON_FORCE_OBJECT);
"{}" brackets specify an object and "[]" are used for arrays ...
When to use symbols instead of strings in Ruby?
... rule of thumb is to use symbols every time you need internal identifiers. For Ruby < 2.2 only use symbols when they aren't generated dynamically, to avoid memory leaks.
Full answer
The only reason not to use them for identifiers that are generated dynamically is because of memory concerns.
Th...
How can I make a multipart/form-data POST request using Java?
...n the days of version 3.x of Apache Commons HttpClient, making a multipart/form-data POST request was possible ( an example from 2004 ). Unfortunately this is no longer possible in version 4.0 of HttpClient .
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Run an exe from C# code
.../ </summary>
static void LaunchCommandLineApp()
{
// For the example
const string ex1 = "C:\\";
const string ex2 = "C:\\Dir";
// Use ProcessStartInfo class
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.CreateNoWindow = f...
Which characters are valid in CSS class names/selectors?
...haracters and any ISO 10646
character as a numeric code (see next item). For instance, the
identifier "B&W?" may be written as "B\&W\?" or "B\26 W\3F".
Identifiers beginning with a hyphen or underscore are typically reserved for browser-specific extensions, as in -moz-opacity.
1 It's ...
SQLite select where empty?
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@Pacerier: There may be some difference in performance, but other than that it's just a matter of style.
– Guffa
Oct 15 '11 at 16:21
3
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Changing cursor to waiting in javascript/jquery
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Please don't use jQuery for this in 2018! There is no reason to include an entire external library just to perform this one action which can be achieved with one line:
Change cursor to spinner: document.body.style.cursor = 'wait';
Revert cursor to...
No identities are available for signing Xcode 5
I have an error "No identities are available for signing" when try to validate my app in Xcode 5. I tried all: Recreate certificates and provisioning profiles, all methods which have been described on this site and another resources; I'm confused, because when I try to distribute my app as Ad-hoc, i...
How to remove all CSS classes using jQuery/JavaScript?
Instead of individually calling $("#item").removeClass() for every single class an element might have, is there a single function which can be called which removes all CSS classes from the given element?
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How do I programmatically click a link with javascript?
...as target="_blank" property, the browser's popup blocker will be activated for the new window.
– wonsuc
Feb 26 '19 at 6:11
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