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PHP - find entry by object property from an array of objects
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For those of you with key values set to strings use if($v == $struct["ID"]){...
– wbadart
Jul 7 '15 at 19:32
add a comment
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How do you list the primary key of a SQL Server table?
... and TableName.
IMHO, this solution is very generic and does not use any string literals, so it will run on any machine.
select
s.name as SchemaName,
t.name as TableName,
tc.name as ColumnName,
ic.key_ordinal as KeyOrderNr
from
sys.schemas s
inner join sys.tables t on...
Check whether a variable is a string in Ruby
...nd_of? will return true for instances from derived classes.
class X < String
end
foo = X.new
foo.is_a? String # true
foo.kind_of? String # true
foo.instance_of? String # false
foo.instance_of? X # true
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Saving and Reading Bitmaps/Images from Internal memory in Android
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Use the below code to save the image to internal directory.
private String saveToInternalStorage(Bitmap bitmapImage){
ContextWrapper cw = new ContextWrapper(getApplicationContext());
// path to /data/data/yourapp/app_data/imageDir
File directory = cw.getDir("imageDir"...
Using PropertyInfo to find out the property type
...e().GetProperties())
{
if (propertyInfo.PropertyType == typeof(string))
{
string value = propertyInfo.GetValue(data, null);
if value is not OK
{
return false;
}
}
}
return true;
}
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jquery's append not working with svg element?
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When you pass a markup string into $, it's parsed as HTML using the browser's innerHTML property on a <div> (or other suitable container for special cases like <tr>). innerHTML can't parse SVG or other non-HTML content, and even if it c...
C state-machine design [closed]
... an enum. It also makes for much cleaner code since you don't need all the extra cruft of function pointers or huge switch statements and while loops. Did I mention it's more efficient too?
Here's what a state machine might look like:
void state_machine() {
first_state:
// Do some stuff here
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JavaScript validation for empty input field
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An input field can have whitespaces, we want to prevent that.
Use String.prototype.trim():
function isEmpty(str) {
return !str.trim().length;
}
Example:
const isEmpty = str => !str.trim().length;
document.getElementById("name").addEventListener("input", function() {
if(...
inserting characters at the start and end of a string
...ying to find a way to insert a number of L's at the beginning and end of a string. So if I have a string which says
7 Answ...
SVG get text element width
...lue"; // for convenience when visible
div.innerHTML = "YOUR STRING";
document.body.appendChild(div);
var offsetWidth = div.offsetWidth;
var clientWidth = div.clientWidth;
document.body.removeChild(div);
...