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How to delete all datastore in Google App Engine?
...re --> dataviewer, select all the rows for the table you want to delete and hit the delete button (you'll have to do this for all your tables).
You can do the same programmatically through the remote_api (but I never used it).
If you're talking about the development datastore, you'll just have ...
?? Coalesce for empty string?
Something I find myself doing more and more is checking a string for empty (as in "" or null) and a conditional operator.
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Scroll Automatically to the Bottom of the Page
...ight not scroll. In this case, you need to target the element that scrolls and use it's scroll height instead.
window.scrollTo(0,document.querySelector(".scrollingContainer").scrollHeight);
You can tie that to the onclick event of your question (i.e. <div onclick="ScrollToBottom()" ...).
Som...
Sublime Text 3, convert spaces to tabs
...for coding. Is there a way, to convert always spaces to tabs? I.e. on open and on Save files? Anyone got an idea?
11 Answer...
How to undo another user’s checkout in TFS?
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There are at least 2 different ways to do this:
Command Line
There is a command-line utility called Tf.exe that comes with Team Explorer. Find the documentation here. It can be accessed by launching a Visual Studio Command Prompt window. The syntax of the command is:
tf undo...
What is the difference between indexOf() and search()?
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indexOf() and search()
common in both
i) return the first occurrence of searched value
ii) return -1 if no match found
let str='Book is booked for delivery'
str.indexOf('b') // returns position 8
str.search('b') // returns p...
How do I check that multiple keys are in a dict in a single pass?
... +1, I like this better than Greg's answer because it's more concise AND faster (no building of irrelevant temporary list, AND full exploitation of short-circuiting).
– Alex Martelli
Aug 17 '09 at 2:34
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Prevent scroll-bar from adding-up to the Width of page on Chrome
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You can get the scrollbar size and then apply a margin to the container.
Something like this:
var checkScrollBars = function(){
var b = $('body');
var normalw = 0;
var scrollw = 0;
if(b.prop('scrollHeight')>b.height()){
normalw...
Android: Go back to previous activity
I want to do something simple on android app.
How is it possible to go back to a previous activity.
23 Answers
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List vs Set vs Bag in NHibernate
What's the difference between a list, set and bag in the NHibernate mapping file? How does each relate to .NET collections?
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