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Master-master vs master-slave database architecture?
...n everybody is out of the water, and if people are remote then may pay horrid communication costs. Bring portable devices, which may need to operate disconnected, into the picture and one copy won't cut it.
Master Slave: consistency is not too difficult because each piece of data has exactly one ow...
Why escape_javascript before rendering a partial?
... javascript. Nothing can prevent that.
– LasagnaAndroid
Feb 23 '15 at 1:31
3
This isn't helpful. ...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
...e
@age
end
Knowing that, here's another way to think about it: If you did not have the attr_... helpers, and had to write the accessors yourself, would you write any more accessors than your class needed? For example, if age only needed to be read, would you also write a method allowing it to b...
The difference between the 'Local System' account and the 'Network Service' account?
...LocalService
the account has no password (any password information you provide is ignored)
HKCU represents the LocalService user account
has minimal privileges on the local computer
presents anonymous credentials on the network
SID: S-1-5-19
has its own profile under the HKEY_USERS registry key (HKE...
PHP: exceptions vs errors?
...ert a row into a database. It is possible that this call fails (duplicate ID) - you will want to have a "Error" which in this case is an "Exception". When you are inserting these rows, you can do something like this
try {
$row->insert();
$inserted = true;
} catch (Exception $e) {
echo "T...
Why declare unicode by string in python?
... reads the characters in the file.
In general, it's probably not the best idea to embed high unicode characters into your file no matter what the encoding is; you can use string unicode escapes, which work in either encoding.
When you declare a string with a u in front, like u'This is a string',...
Git merge left HEAD marks in my files
...
@lowerkey, please also consider reading a book on the topic. I would recommend to read that book in its entirety as you appear to lack certain basic knowledge about how VCSes work and it's better to get yourself prepared for possible problems in the fu...
Create a custom event in Java
...d by everyone interested in "Hello" events
interface HelloListener {
void someoneSaidHello();
}
// Someone who says "Hello"
class Initiater {
private List<HelloListener> listeners = new ArrayList<HelloListener>();
public void addListener(HelloListener toAdd) {
liste...
Gson custom seralizer for one variable (of many) in an object using TypeAdapter
...er(JsonElement.class);
return new TypeAdapter<C>() {
@Override public void write(JsonWriter out, C value) throws IOException {
JsonElement tree = delegate.toJsonTree(value);
beforeWrite(value, tree);
elementAdapter.write(out, tree);
}
@Override pub...
Ignore Xcode warnings when using Cocoapods
... How can I solve the following problem: I want the warnings to be hidden for some pods, but not for all of them.
– KrauseFx
Nov 5 '12 at 10:26
3
...