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In Intellij, how do I toggle between camel case and underscore spaced?
... sql. In java I have a field named historyOfPresentIllness and when i write the sql, I want to name it history_of_present_illness . Is there a keyboard shortcut to switch from one to the other when I have the phrase highlighted? Or perhaps a plugin that can do this?
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TypeError: 'NoneType' object is not iterable in Python
What does error TypeError: 'NoneType' object is not iterable mean?
7 Answers
7
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C# pattern to prevent an event handler hooked twice [duplicate]
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Explicitly implement the event and check the invocation list. You'll also need to check for null:
using System.Linq; // Required for the .Contains call below:
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private EventHandler foo;
public event EventHandler Foo
{
add...
UIButton Image + Text IOS
I need a UIButton with image & text . Image should be in the top & text comes under the image both should be clickable.
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How do you create different variable names while in a loop? [duplicate]
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Sure you can; it's called a dictionary:
d = {}
for x in range(1, 10):
d["string{0}".format(x)] = "Hello"
>>> d["string5"]
'Hello'
>>> d
{'string1': 'Hello',
'string2': 'Hello',
'string3': 'Hello',
'string4': 'He...
Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
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When working with Swift, you can use the enum UIUserInterfaceIdiom, defined as:
enum UIUserInterfaceIdiom : Int {
case unspecified
case phone // iPhone and iPod touch style UI
case pad // iPad style UI (also includes macOS ...
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edited Mar 31 at 16:17
Waqas Bukhary
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Objective-C Static Class Level variables
... class level not object level. Can this be done in Objective-C? I've found it very hard to find an answer for this.
9 Answe...
How to apply bindValue method in LIMIT clause?
...r having this problem before. Cast the value to an integer before passing it to the bind function. I think this solves it.
$fetchPictures->bindValue(':skip', (int) trim($_GET['skip']), PDO::PARAM_INT);
share
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Determine the line of code that causes a segmentation fault?
... do that but GDB (a debugger) sure can. Compile you program using the -g switch, like this:
gcc program.c -g
Then use gdb:
$ gdb ./a.out
(gdb) run
<segfault happens here>
(gdb) backtrace
<offending code is shown here>
Here is a nice tutorial to get you started with GDB.
Where the ...