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Asp.net - Add blank item at top of dropdownlist
...drpList.Items.Insert(0, new ListItem(String.Empty, String.Empty));
drpList.SelectedIndex = 0;
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jquery if div id has children
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If you add a selector to children, you can also check if an element has children that match a particular selector, like if you want to see if an element has a child of a particular class.
– Muhd
May ...
Pandas every nth row
...] # Excludes every 3rd row starting from 0
df2 = df[df.index % 3 == 0] # Selects every 3rd raw starting from 0
This arithmetic based sampling has the ability to enable even more complex row-selections.
This assumes, of course, that you have an index column of ordered, consecutive, integers star...
How to debug Google Apps Script (aka where does Logger.log log to?)
...All I did was make sure the cell that I wanted it to treat as "edited" was selected, then in Script Editor, I would go to Run->onEdit. Then my breakpoint would be hit.
However, I did have to stop using the event argument that gets passed into the onEdit function - you can't simulate that by doin...
Sublime as default editor
... my answer, I have just googled it:
Open regedit (Win+R, type "regedit", select OK).
Navigate to HKEY_CLASSES_ROOT\Applications\sublime_text.exe\shell\open\command
Verify that the path is accurate, correct it if it is not. Exit regedit.
Open task manager via Ctrl+Alt+Del (or Ctrl+Shift+Esc for lat...
Spring Data: “delete by” is supported?
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When you go with query by method (2nd way) it will first do a get call
select * from user where last_name = :firstName
Then it will load it in a List
Then it will call delete id one by one
delete from user where id = 18
delete from user where id = 19
First fetch list of object, then for loo...
reformat in vim for a nice column layout
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Great tip! Just adding, it works for visual selection too with :'<,'>!column -t
– freitass
Aug 23 '12 at 13:16
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Why does String.valueOf(null) throw a NullPointerException?
...s
How does polymorph ambiguity distinction work?
Which overload will get selected for null in Java?
Moral of the story
There are several important ones:
Effective Java 2nd Edition, Item 41: Use overloading judiciously
Just because you can overload, doesn't mean you should every time
They ...
CSS: background image on background color
I have panel which I colored blue if this panel is being selected (clicked on it). Additionally, I add a small sign ( .png image) to that panel, which indicates that the selected panel has been already selected before.
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Editing in the Chrome debugger
...ipt inside html files for me. Also, if you've added a folder to workspace, select the local js file, right-click and map that file to the network dito.
– o-o
Nov 5 '16 at 0:17
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