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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 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...
Insert all values of a table into another table in SQL
...an error and roll back the transaction, meaning nothing gets copied. Worth testing though.
– Matt Hamilton
Jun 17 '09 at 21:01
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What does “=>” mean in PHP?
...y giving you the key, It actually only gives you a value:
$array = array("test" => "foo");
foreach($array as $key => $value)
{
echo $key . " : " . $value; // Echoes "test : foo"
}
foreach($array as $value)
{
echo $value; // Echoes "foo"
}
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