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is there a css hack for safari only NOT chrome?
... (MacBook/IPad/etc... with both browser and OS version numbers!)
Claiming none of these work is not accurate (and actually not even possible.) Many of these are not really 'hacks' but code built into versions of Safari by Apple. More info is needed. I love the fact that you came here, and really wan...
Java: notify() vs. notifyAll() all over again
If one Googles for "difference between notify() and notifyAll() " then a lot of explanations will pop up (leaving apart the javadoc paragraphs). It all boils down to the number of waiting threads being waken up: one in notify() and all in notifyAll() .
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View more than one project/solution in Visual Studio
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This is the way Visual Studio is designed: One solution, one Visual Studio (VS) instance.
Besides switching between solutions in one VS instance, you can also open another VS instance and open your other solution with that one. Next to solutions there are as you said...
i18n Pluralization
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Try this:
en.yml :
en:
misc:
kids:
zero: no kids
one: 1 kid
other: %{count} kids
In a view:
You have <%= t('misc.kids', :count => 4) %>
Updated answer for languages with multiple pluralization (tested with Rails 3.0.7):
File config/initializers/plural...
Is it safe to use -1 to set all bits to true?
... to do it exactly as you have shown, since it is the most straight forward one. Initialize to -1 which will work always, independent of the actual sign representation, while ~ will sometimes have surprising behavior because you will have to have the right operand type. Only then you will get the mos...
difference between primary key and unique key
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Primary Key:
There can only be one primary key in a table
In some DBMS it cannot be NULL - e.g. MySQL adds NOT NULL
Primary Key is a unique key identifier of the record
Unique Key:
Can be more than one unique key in one table
Unique key can have NULL v...
Display two files side by side
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You can use pr to do this, using the -m flag to merge the files, one per column, and -t to omit headers, eg.
pr -m -t one.txt two.txt
outputs:
apple The quick brown fox..
pear foo
longer line than the last two bar
last ...
How to convert number to words in java
...or example
1000
1 is treated as thousand position and 1 gets mapped to "one" and thousand because of position
This is the code from the website:
English
import java.text.DecimalFormat;
public class EnglishNumberToWords {
private static final String[] tensNames = {
"",
" ten",
...
Is there ever a time where using a database 1:1 relationship makes sense?
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A 1:1 relationship typically indicates that you have partitioned a larger entity for some reason. Often it is because of performance reasons in the physical schema, but it can happen in the logic side as well if a large chunk of the data is expected to be "unknown" at the same time (i...
Is floating point math broken?
...I think you should add something to this answer about how computations on money should always, always be done with fixed-point arithmetic on integers, because money is quantized. (It may make sense to do internal accounting computations in tiny fractions of a cent, or whatever your smallest currenc...