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get dictionary value by key
...
It's as simple as this:
String xmlfile = Data_Array["XML_File"];
Note that if the dictionary doesn't have a key that equals "XML_File", that code will throw an exception. If you want to check first, you can use TryGetValue like this:
string xmlfile;
if (!Data_Array.T...
Limit number of characters allowed in form input text field
...ou wanted the values to be between 1-50 you could or all positive numbers, etc.
– b3verelabs
Dec 17 '11 at 14:34
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Difference between filter and filter_by in SQLAlchemy
... filter on users.id. Instead, it will evaluate id == id as True and return all users. You need to use .filter(users.id == id) (as demoed above). I made this mistake earlier today.
– Nico Cernek
Feb 22 '19 at 23:00
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How to close tag properly?
...es the tag properly. Best to add the alt attribute for people that are visually impaired.
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Ruby convert Object to Hash
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instance_values can be used for all ruby objects for the similar output.
– bishal
Jan 22 '19 at 11:37
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Link to “pin it” on pinterest without generating a button
... or hundreds of posts, each one with social buttons.
I just can't generate all the buttons for each url: it is too slow (facebook, g+, twitter, pinterest... for hundreds of links). So, instead of the facebook share button to be generated on the fly, I use a simple img pointing to
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how to debug the js in jsfiddle
...ever using chrome dev tools. Press ctrl+shift+F and you can search through all the files in the source.
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How to create a drop-down list?
...iew:
XML:
<Spinner
android:id="@+id/spinner1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:drawable/btn_dropdown"
android:spinnerMode="dropdown"/>
Java:
//get the spinner from the xml.
Spinner dropdown = findVi...
Why does intellisense and code suggestion stop working when Visual Studio is open?
...of my project's configurations are gone now (include directories, defines, etc.). VS2017
– hacksoi
Aug 15 '18 at 19:12
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How do I select text nodes with jQuery?
..., but is not (e.g. the soft hyphen &shy; character, newlines \n, tabs, etc.), you can try using a Regular Expression. For example, \S will match any non-whitespace characters:
$('element')
.contents()
.filter(function(){
return this.nodeType === 3 && /\S/.tes...