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Why is setTimeout(fn, 0) sometimes useful?
...rgument will schedule the callback to be run asynchronously, after the shortest possible delay - which will be around 10ms when the tab has focus and the JavaScript thread of execution is not busy.
The OP's solution, therefore was to delay by about 10ms, the setting of the selected index. This gave...
Converting A String To Hexadecimal In Java
I am trying to convert a string like "testing123" into hexadecimal form in java. I am currently using BlueJ.
21 Answers
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is it possible to select EXISTS directly as a bit?
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Just tested out this technique, works great. The CAST to BIT is not necessary to retrieve the results from the query, tested with SQL Server 2008 R2.
– Tore Aurstad
Mar 31 '15 at 9:09
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Sql Server equivalent of a COUNTIF aggregate function
...E WHEN myColumn=1 THEN 1 ELSE 0 END)
FROM AD_CurrentView
Note: in my own test NULLs were not an issue, though this can be environment dependent. You could handle nulls such as:
SELECT SUM(CASE WHEN ISNULL(myColumn,0)=1 THEN 1 ELSE 0 END)
FROM AD_CurrentView
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List of all special characters that need to be escaped in a regex
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To escape you could just use this from Java 1.5:
Pattern.quote("$test");
You will match exacty the word $test
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Spring get current ApplicationContext
...der implements ApplicationContextAware{
...
}
Get the context like this
TestBean tb = ApplicationContextProvider.getApplicationContext().getBean("testBean", TestBean.class);
Cheers!!
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bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need
... Soup and lxml, which both installed successfully and work with a separate test file located here . In the Python script that causes this error, I have included this line:
from pageCrawler import comparePages
And in the pageCrawler file I have included the following two lines:
from bs4 i...
How do I make an HTTP request in Swift?
...tail, check the documentation for the NSURLConnectionDataDelegate protocol
Testing on an Xcode playground
If you want to try this code on a Xcode playground, add import PlaygroundSupport to your playground, as well as the following call:
PlaygroundPage.current.needsIndefiniteExecution = true
This w...
How to parse/read a YAML file into a Python object? [duplicate]
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Here is one way to test which YAML implementation the user has selected on the virtualenv (or the system) and then define load_yaml_file appropriately:
load_yaml_file = None
if not load_yaml_file:
try:
import yaml
load_yam...
Passing a dictionary to a function as keyword parameters
... might be helpful to know (questions I had after reading this and went and tested):
The function can have parameters that are not included in the dictionary
You can not override a parameter that is already in the dictionary
The dictionary can not have parameters that aren't in the function.
Exam...