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Error 1022 - Can't write; duplicate key in table
...an't understand where the duplication is taking place. Can anyone else see it?
9 Answers
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Case insensitive 'Contains(string)'
... is the instance of CultureInfo describing the language that the text is written in.
This solution is transparent about the definition of case-insensitivity, which is language dependent. For example, the English language uses the characters I and i for the upper and lower case versions of the ninth...
UIButton Long Press Event
...ressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)];
[self.button addGestureRecognizer:longPress];
[longPress release];
And then implement the method that handles the gesture
- (void)longPress:(UILongPressGestureRecognizer*)ge...
Problems with pip install numpy - RuntimeError: Broken toolchain: cannot link a simple C program
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While it's ugly, it appears to work
sudo ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future pip install --upgrade numpy
Note that if you are getting this error for a package other than numpy, (such as lxml) s...
How to delete all Annotations on a MKMapView
Is there a simple way to delete all the annotations on a map without iterating through all the displayed annotations in Objective-c?
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Javascript - removing undefined fields from an object [duplicate]
... => obj[key] === undefined ? delete obj[key] : {});
Or use short-circuit evaluation instead of ternary: (@Matt Langlois, thanks for the info!)
Object.keys(obj).forEach(key => obj[key] === undefined && delete obj[key])
jsbin
Same example using if expression:
Object.keys(obj).forE...
How do I wrap text in a UITableViewCell without a custom cell
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Here is a simpler way, and it works for me:
Inside your cellForRowAtIndexPath: function. The first time you create your cell:
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil)
{
cell = [[[UITab...
Shell command to tar directory excluding certain files/folders
...tc will work. Make sure to put --exclude before the source and destination items.
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Copy and paste content from one file to another file in vi
I am working with two files, and I need to copy a few lines from one file and paste into another file. I know how to copy (yy) and paste (p) in the same file. But that doesn't work for different files. How is this done?
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How do I add a margin between bootstrap columns without wrapping [duplicate]
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You should work with padding on the inner container rather than with margin. Try this!
HTML
<div class="row info-panel">
<div class="col-md-4" id="server_1">
<div class="server-action-menu">
Server 1...