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dynamically add and remove view to viewpager
...editor;
GridView gridView;
Button button;
private static final String DATABASE_NAME = "dbForTest.db";
private static final int DATABASE_VERSION = 1;
private static final String TABLE_NAME = "diary";
private static final String TITLE = "id";
private static final String BOD...
Extract file basename without path and extension in bash [duplicate]
...).
Source: Shell Command Language 2.6.2 Parameter Expansion
More on bash String Manipulations: http://tldp.org/LDP/LG/issue18/bash.html
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How to post JSON to a server using C#?
... streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
string json = "{\"user\":\"test\"," +
"\"password\":\"bla\"}";
streamWriter.Write(json);
}
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
using (var streamReader = new StreamReader(h...
What is a NullReferenceException, and how do I fix it?
...ess members (such as methods) through a null reference. The simplest case:
string foo = null;
foo.ToUpper();
This will throw a NullReferenceException at the second line because you can't call the instance method ToUpper() on a string reference pointing to null.
Debugging
How do you find the source ...
Concatenate strings in Less
... answer but are trying to use it e.g. to combine a numeric variable with a string like px or %: You can un-quote the string by pre-pending it with a tilde ~, as such: width: ~"@{w}px";
– AsGoodAsItGets
Nov 8 '17 at 9:49
...
Using a custom typeface in Android
...styleable name="MyTextView">
<attr name="first_name" format="string"/>
<attr name="last_name" format="string"/>
<attr name="ttf_name" format="string"/>
</declare-styleable>
</resources>
In main.xml:
<LinearLayout xmlns:android="http:...
MySQL “incorrect string value” error when save unicode string in Django
...code_escape')
>>> Slatkevičius
Is this the only method to save strings like that into a MySQL table and decode it before rendering to templates for display?
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What's the correct way to convert bytes to a hex string in Python 3?
What's the correct way to convert bytes to a hex string in Python 3?
9 Answers
9
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Difference between >>> and >>
...y signed numbers by 2^k, I find it weird that this is everyone's answer. A string of bits isn't a number, and >> can always be used on any string of bits: it always does the same thing regardless of the role that string of bits is playing and regardless of whether it has a concept of 'sign'. W...
Case insensitive regular expression without re.compile?
...e being None. Using try & except to catch TypeError matching by first_string == second_string. Sample Code def equal_ignore_case(first_string, second_string): try: return re.match(first_string, second_string, re.IGNORECASE) is not None except (AttributeError, TypeError): ...