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What does Python's eval() do?
In the book that I am reading on Python, it keeps using the code eval(input('blah'))
10 Answers
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When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
...cript.
You could have multiple CREATE TABLE statements, separated by GO. It's a way of isolating one part of the script from another, but submitting it all in one block.
BEGIN and END are just like { and } in C/++/#, Java, etc.
They bound a logical block of code. I tend to use BEGIN and END a...
Inspect element that only appear when other element is mouse overed/entered
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It's fairly easy in Chrome 38.0.2094.0.
Here's what it'll look like:
Step-by-step:
Open the DevTools in the Sources panel
Make the tooltip appear by hovering over the button
Press F8 to freeze the page
Switch to the Elem...
How do you open an SDF file (SQL Server Compact Edition)? [closed]
I have an SDF file and I would like to retrieve its schema and query it with some UI. How can I do this? I have no Visual Studio installed on the machine and I would like to install as little software as possible.
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Is there a Java equivalent or methodology for the typedef keyword in C++?
... be incredibly helpful. Do you know of a way to achieve similar functionality in Java, whether that be a Java mechanism, pattern, or some other effective way you have used?
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HTTP POST using JSON in Java
... would enable you to make the required request
Create an HttpPost request with it and add the header application/x-www-form-urlencoded
Create a StringEntity that you will pass JSON to it
Execute the call
The code roughly looks like (you will still need to debug it and make it work):
// @Deprecated ...
Action bar navigation modes are deprecated in Android L
...e Play style tabs, you can use the PagerSlidingTabStrip library or modify either of the Google provided examples SlidingTabsBasic or SlidingTabsColors as explained in this Dev Bytes video.
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Detect rotation of Android phone in the browser with JavaScript
...ndow.orientation property to figure out which way the device is oriented. With Android phones, screen.width or screen.height also updates as the device is rotated. (this is not the case with the iPhone).
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Batch script: how to check for admin rights
...llyparanoid.com had a list of a few, so I ran each command on the two opposite extremes of current Windows OSs (XP and 8) in the hopes of finding a command that would be denied access on both OSs when run with standard permissions.
Eventually, I did find one - NET SESSION. A true, clean, universa...
Emulator error: This AVD's configuration is missing a kernel file
...e. Can't figure out what happened. I searched online for the solution, but it seemed to be vague and I don't understand clearly.
I was following the steps to install the AVD according to the sites and I can't figure out what I missed. Please explain it to me in steps to follow.
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