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What does |= (ior) do in Python?
...== (1 | 0) == (0 | 1)
>>> assert 0 == (0 | 0)
We now extend this idea beyond binary numbers. Given any two integral numbers (lacking fractional components), we apply the bitwise OR and get an integral result:
>>> a = 10
>>> b = 16
>>> a | b
26
How? In genera...
Ignoring a class property in Entity Framework 4.1 Code First
...clude a particular property
public class Customer
{
public int CustomerID { set; get; }
public string FirstName { set; get; }
public string LastName{ set; get; }
[NotMapped]
public int Age { set; get; }
}
[NotMapped] attribute is included in the System.ComponentModel.DataAnnot...
How do I call an Angular.js filter with multiple arguments?
...rFilter')(yourExpression, arg1, arg2, ...)
There is actually an example hidden in the orderBy filter docs.
Example:
Let's say you make a filter that can replace things with regular expressions:
myApp.filter("regexReplace", function() { // register new filter
return function(input, searchR...
Ruby Metaprogramming: dynamic instance variable names
...
Didn't work for me for 1.9.3. I used this instead hash.each {|k,v| instance_variable_set("@#{k}",v)}
– Andrei
Jun 10 '12 at 20:32
...
How to set different label for launcher rather than activity title?
...epends on the launcher implementation that is used.
http://developer.android.com/guide/topics/manifest/intent-filter-element.html
<activity
android:name=".ui.HomeActivity"
android:label="@string/title_home_activity"
android:icon="@drawable/icon">
<intent-filter android:label="@str...
How to use MDC with thread pools?
In our software we extensively use MDC to track things like session IDs and user names for web requests. This works fine while running in the original thread. However, there's a lot of things that need to be processed in the background. For that we use the java.concurrent.ThreadPoolExecutor and j...
How to convert a private key to an RSA private key?
...f OpenSSL say BEGIN PRIVATE KEY because they contain the private key + an OID that identifies the key type (this is known as PKCS8 format). To get the old style key (known as either PKCS1 or traditional OpenSSL format) you can do this:
openssl rsa -in server.key -out server_new.key
Alternately, i...
Convert object to JSON in Android
Is there a simple method to convert any object to JSON in Android?
6 Answers
6
...
Jump to function definition in vim
...
@Faud Jump To Definition feature relies on pointing an identifier with a cursor (in every IDE). Typing/searching is another feature, you're confusing them.
– bloody
Apr 5 at 22:07
...
SQLite Reset Primary Key Field
..._table';
SQLite Autoincrement
SQLite keeps track of the largest
ROWID that a table has ever held using
the special SQLITE_SEQUENCE table. The
SQLITE_SEQUENCE table is created and
initialized automatically whenever a
normal table that contains an
AUTOINCREMENT column is created. The...