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Best practices for Storyboard login screen, handling clearing of data upon logout
...orking fine, but I've got a few issues. I need to know the BEST way to set all this up.
14 Answers
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iOS 7: UITableView shows under status bar
...s {
if (floor(NSFoundationVersionNumber) > NSFoundationVersionNumber_iOS_6_1) {
self.navigationController.navigationBar.barStyle = UIBarStyleBlackOpaque;
if ([self respondsToSelector:@selector(edgesForExtendedLayout)])
self.edgesForExtendedLayout = UIRectEdgeNone; ...
Why does parseInt yield NaN with Array#map?
...x parameter.
If you're using underscore you can do:
['10','1','100'].map(_.partial(parseInt, _, 10))
Or without underscore:
['10','1','100'].map(function(x) { return parseInt(x, 10); });
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How to find Unused Amazon EC2 Security groups
...AWS CLI tool, I found an easy way to get what I need:
First, get a list of all security groups
aws ec2 describe-security-groups --query 'SecurityGroups[*].GroupId' --output text | tr '\t' '\n'
Then get all security groups tied to an instance, then piped to sort then uniq:
aws ec2 describe-instance...
is there a require for json in node.js
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@coen yes, we always use __dirname to make relative paths.
– Raynos
Aug 23 '11 at 15:19
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How to write to an existing excel file without overwriting data (using pandas)?
...omething like this might work out:
import pandas
from openpyxl import load_workbook
book = load_workbook('Masterfile.xlsx')
writer = pandas.ExcelWriter('Masterfile.xlsx', engine='openpyxl')
writer.book = book
## ExcelWriter for some reason uses writer.sheets to access the sheet.
## If you leave ...
Do you need to use path.join in node.js?
... only real issue is that Windows command-line processors (or, more specifically, Windows-native command-line utilities) tend to interpret forward slashes as option specifiers rather than path components. Therefore, you need a backslashed path if you need to pass a path to a Windows command run as a ...
How to show Page Loading div until the page has finished loading?
...ction on our website that loads quite slowly as it's doing some intensive calls.
12 Answers
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How to define two fields “unique” as couple
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There is a simple solution for you called unique_together which does exactly what you want.
For example:
class MyModel(models.Model):
field1 = models.CharField(max_length=50)
field2 = models.CharField(max_length=50)
class Meta:
unique_together = ('field1', 'fi...
Is there a numpy builtin to reject outliers from a list
...ng like the following? That is, take a list d and return a list filtered_d with any outlying elements removed based on some assumed distribution of the points in d .
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