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How to split a comma-separated string?
...
If you need to keep empty entries (eg.for consistent array length) use split(",",-1) as per stackoverflow.com/questions/14602062/…
– Fast Engy
Jul 16 '15 at 2:16
...
Error handling in getJSON calls
...cally (by configuring your AJAX calls before actually calling them) or specifically (with method chain).
'generic' would be something like:
$.ajaxSetup({
"error":function() { alert("error"); }
});
And the 'specific' way:
$.getJSON("example.json", function() {
alert("success");
})
.succ...
Converting string to byte array in C#
...
If you already have a byte array then you will need to know what type of encoding was used to make it into that byte array.
For example, if the byte array was created like this:
byte[] bytes = Encoding.ASCII.GetBytes(someSt...
Should JAVA_HOME point to JDK or JRE?
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If you're doing any sort of development, or building with Maven or Ant, you need to point to the JDK (Java Development Kit) where utilities such as javac (the Java Compiler) reside. Otherwise, you can point to the JRE (Java R...
Take a screenshot of a webpage with JavaScript?
...y gets you as far as getting the window to the clipboard.
Another option, if the window you want a screenshot of is an HTA would be to just use an XMLHTTPRequest to send the DOM nodes to the server, then create the screenshots server-side.
...
How to iterate over rows in a DataFrame in Pandas
..., it does not preserve dtypes across the rows." Also, "You should never modify something you are iterating over." According to pandas 0.19.1 docs
– viddik13
Dec 7 '16 at 16:24
...
Setting “checked” for a checkbox with jQuery
...prop('checked', true);
$('.myCheckbox').prop('checked', false);
DOM API
If you're working with just one element, you can always just access the underlying HTMLInputElement and modify its .checked property:
$('.myCheckbox')[0].checked = true;
$('.myCheckbox')[0].checked = false;
The benefit to ...
How to execute a raw update sql with dynamic binding in rails
... f1=? where f2=? and f3=?")
st.execute(f1, f2, f3)
st.close
I'm not sure if there are other ramifications to doing this (connections left open, etc). I would trace the Rails code for a normal update to see what it's doing aside from the actual query.
Using prepared queries can save you a small am...
Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
...t;/span>
</body>
<script>
var objectContainer = {};
if(typeof message == 'undefined'){
var asyncScript = document.createElement('script');
asyncScript.onload = function(){
objectContainer.messageClass = new message(document.getElementById('message')...
Exposing database IDs - security risk?
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There are risks associated with exposing database identifiers. On the other hand, it would be extremely burdensome to design a web application without exposing them at all. Thus, it's important to understand the risks and take care to address them.
The first danger is what OWASP ...