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Running Command Line in Java [duplicate]
...nput = new BufferedReader(new InputStreamReader(p.getInputStream()));
String line = null;
try {
while ((line = input.readLine()) != null)
System.out.println(line);
} catch (IOException e) {
e.printStackTrace();
}
}
}).start();
p.waitFor();
...
Cast int to varchar
I have below query and need to cast id to varchar
8 Answers
8
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How do you check if a certain index exists in a table?
... select like this:
SELECT *
FROM sys.indexes
WHERE name='YourIndexName' AND object_id = OBJECT_ID('Schema.YourTableName')
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Reading and writing environment variables in Python? [duplicate]
...1 as a number, but environment variables don't care. They just pass around strings:
The argument envp is an array of character pointers to null-
terminated strings. These strings shall constitute the
environment for the new process image. The envp array is
terminated by a null pointer.
...
Replace a value if null or undefined in JavaScript
... If anything falsey is a potentially valid input (0, false, empty string), I would do something like this instead: var j = (i === null) ? 10 : i; Which will only replace null, rather than anything that can be evaluated to false.
– DBS
Sep 26 '16 at 11:...
Turn off constraints temporarily (MS SQL)
... believe the ANSI standard setting, which means you shouldn't use them for strings. Has nothing to do with being consistent. see stackoverflow.com/questions/1992314/…
– kevinc
Oct 8 '16 at 11:49
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What does collation mean?
...
Rules that tell how to compare and sort strings: letters order; whether case matters, whether diacritics matter etc.
For instance, if you want all letters to be different (say, if you store filenames in UNIX), you use UTF8_BIN collation:
SELECT 'A' COLLATE UTF8_...
How to Create a circular progressbar in Android which rotates on it?
... creating a layer-list, I separated it into two files. One for ProgressBar and one for its background.
This is the ProgressDrawable file (@drawable folder): circular_progress_bar.xml
<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
...
XML Validation with XSD in Visual Studio IDE
...w">
<xs:sequence>
<xs:element name="Name" type="xs:string" minOccurs="1" maxOccurs="1" />
<xs:element name="Value" type="xs:float" minOccurs="1" maxOccurs="1" />
</xs:sequence>
</xs:complexType>
<!-- Use the type (note the "this:" prefix) -...
How to call a Parent Class's method from Child Class in Python?
...y haven't been overwritten.
e.g. in python 3:
class A():
def bar(self, string):
print("Hi, I'm bar, inherited from A"+string)
class B(A):
def baz(self):
self.bar(" - called by baz in B")
B().baz() # prints out "Hi, I'm bar, inherited from A - called by baz in B"
yes, this may be fa...