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How to query MongoDB with “like”?
...d all entries for name? or the wildcard for * in SQL? Something that does select name from users; which just lists all the users?
– anon58192932
Oct 18 '17 at 19:15
1
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Rails create or update magic?
...ils - you have to separate it into two Ruby statements, one for the object selection and one for the attribute update.
– sameers
Sep 23 '14 at 5:08
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Get index of array element faster than O(n)
...gt; [6] }
This allows for a quick search for duplicate entries:
indices.select { |k, v| v.size > 1 }
=> { 1 => [0, 3], 2 => [1, 4], 3 => [2, 5] }
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How to read and write into file using JavaScript?
...t the file into the browser, or a simple upload control. Once the user has selected a file, you can read it w/ Javascript: http://www.html5rocks.com/en/tutorials/file/dndfiles/
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Cannot hide status bar in iOS7
...ly problem with this approach is if you use the UIImagePickerController to select images it will force the status bar to appear once more.The only sure fire way to prevent this is to implement the prefersStatusBarHidden method in each of your view controllers and reset the UIViewControllerBasedStatu...
getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
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For sure better than the selected one.
– Mangirdas Skripka
Jan 10 '15 at 11:43
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nullable object must have a value
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When using LINQ extension methods (e.g. Select, Where), the lambda function might be converted to SQL that might not behave identically to your C# code. For instance, C#'s short-circuit evaluated && and || are converted to SQL's eager AND and OR. This can c...
Print current call stack from a method in Python code
... @RichieHindle's excellent answer which implements a decorator that can be selectively applied to functions as desired. Works with Python 2.7.14 and 3.6.4.
from __future__ import print_function
import functools
import traceback
import sys
INDENT = 4*' '
def stacktrace(func):
@functools.wraps(...
How to customize the background color of a UITableViewCell?
...override state-based properties set
earlier by the table view, such as
selection and background color. After
the delegate returns, the table view
sets only the alpha and frame
properties, and then only when
animating rows as they slide in or
out."
I've found this information in this ...
Asp.net 4.0 has not been registered
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@teapeng where in my case I selected ASP.NET 4.6
– bvj
Aug 29 '16 at 20:15
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