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Check if list is empty in C# [closed]
...d from a database. I need to display an error message if the list is empty and display a grid view otherwise.
8 Answers
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How to get JSON from webpage into Python script
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Get data from the URL and then call json.loads e.g.
Python3 example:
import urllib.request, json
with urllib.request.urlopen("http://maps.googleapis.com/maps/api/geocode/json?address=google") as url:
data = json.loads(url.read().decode())
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How to do something to each file in a directory with a batch script
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Command line usage:
for /f %f in ('dir /b c:\') do echo %f
Batch file usage:
for /f %%f in ('dir /b c:\') do echo %%f
Update: if the directory contains files with space in the names, you need to change the delimiter the for...
SVN Repository Search [closed]
...VN respository for code snippets? I found 'FishEye' but the cost is 1,200 and well outside my budget.
14 Answers
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The selected run destination is not valid for this action
...MyApp My Mac 64-bit". How can I get this set back to iphone/ipad simulator and devices? My "Targeted Device Family" setting is iPhone/iPad.
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“f” after number
...compiler may not be smart enough to convert them to float at compile time, and would slow the execution down with four int->float conversions (that are among the slowest casts). Although in this case is almost unimportant, it's always better to specify correctly f if needed: in an expression a co...
How to center absolute div horizontally using CSS?
I've a div and want it to be centered horizontally - although I'm giving it margin:0 auto; it's not centered...
8 Answers...
What does auto do in margin:0 auto?
... parameter basically tells the browser to automatically determine the left and right margins itself, which it does by setting them equally. It guarantees that the left and right margins will be set to the same size. The first parameter 0 indicates that the top and bottom margins will both be set to ...
Take screenshots in the iOS simulator
...ke a screenshot of my iOS application when it is running in the simulator, and save the screenshot on my Mac. How can I do this?
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Is there a case insensitive jQuery :contains selector?
...ery selector or should I do the work manually by looping over all elements and comparing their .text() to my string?
12 Ans...