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How to check if an object is serializable in C#
...
This will just inform you if an attribute of Serializable is attached to your class.
– Fatema
Dec 9 '10 at 9:58
37
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Inserting HTML into a div
...ative you can use insertAdjacentHTML - however I dig into and make some performance tests - (2019.09.13 Friday) MacOs High Sierra 10.13.6 on Chrome 76.0.3809 (64-bit), Safari 12.1.2 (13604.5.6), Firefox 69.0.0 (64-bit) ). The test F is only for reference - it is out of the question scope because we ...
Command-line svn for Windows?
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Be careful of the CollabNet registration form. If the submitted form has errors (which it will because of how it is designed), it will recheck the newsletters checkbox.
– Jeff Clemens
Jul 17 '13 at 16:26
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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
...com/api/mycall',
headers: {
'Content-Type': 'application/x-www-form-urlencoded'
},
type: "POST", /* or type:"GET" or type:"PUT" */
dataType: "json",
data: {
},
success: function (result) {
console.log(result);
},
error: function () {
consol...
C++ equivalent of java's instanceof
...inted out dynamic_cast doesn't come for free. A simple and consistently performing hack that handles most (but not all cases) is basically adding an enum representing all the possible types your class can have and check whether you got the right one.
if(old->getType() == BOX) {
Box* box = st...
How do I create a slug in Django?
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SlugFields set db_index=True by default, and also use a form field by default that has a validation regex to require valid slugs (if represented in a ModelForm or in the admin). You can do those things manually with a CharField if you prefer, it just makes the intention of your c...
Saving enum from select in Rails 4.1
...view" ,
unknown: "unknown"
}
end
in my _form.html.erb , I have this:
<div class="field">
<%= form.select :status, Contract.statuses.keys, {}%>
</div>
test from Console after adding a record:
2.3.0 :001 > Contract.last.status
Con...
How and when to use ‘async’ and ‘await’
...te and read - but is using them equal to spawning background threads to perform long duration logic?
22 Answers
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Changing the width of Bootstrap popover
...nt: right on an input element. The new Bootstrap ensures that if you use form-control you basically have a full-width input element.
...
How to echo with different colors in the Windows command line
...( e:Error ) {
if ( e.message == "Input string was not in a correct format." ) {
print( "the color parameters should be numbers between 0 and 15" );
Environment.Exit( 1 );
} else if (e.message == "Index was outside the bounds of the array.") {
print...