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Mongoose's find method with $or condition does not work properly
...
I solved it through googling:
var ObjectId = require('mongoose').Types.ObjectId;
var objId = new ObjectId( (param.length < 12) ? "123456789012" : param );
// You should make string 'param' as ObjectId type. To avoid exception,
// the 'param' must consist of mor...
How to detect first time app launch on an iPhone
...thub as a cocoapod under the Apache 2 license: GBVersionTracking
You just call this in application:didFinishLaunching:withOptions:
[GBVersionTracking track];
And then to check if this is the first launch just call this anywhere:
[GBVersionTracking isFirstLaunchEver];
And similarly:
[GBVersio...
Ruby capitalize every word first letter
... @macsplean the &:method syntax in map is a concise way to call a method on each item in the array. You can then call join to turn that array into a string. The * ' ' is an alternative way to call join. You can think of it as multiplying the items in the array together to create a st...
Change Twitter Bootstrap Tooltip content on click
...Just found this today whilst reading the source code. So $.tooltip(string) calls any function within the Tooltip class. And if you look at Tooltip.fixTitle, it fetches the data-original-title attribute and replaces the title value with it.
So we simply do:
$(element).tooltip('hide')
.at...
Open a link in browser with java button? [duplicate]
...ity settings that would prevent this from working. I "worked around" it by calling new ProcessBuilder("x-www-browser", uri.toString());. You would think that if there were security restrictions, the ProcessBuilder call would not work. But it does work. I have no idea why desktop.browse(uri) doesn't ...
Why does C++ not allow inherited friendship?
...striction on the ability to modify a class. This is undesirable as you basically render useless the concept of a public API.
Note: A child of Bar can access Foo by using Bar, just make the method in Bar protected. Then the child of Bar can access a Foo by calling through its parent class.
Is this ...
Is there an equivalent of 'which' on the Windows command line?
...>
goto :end
)
:: First try the unadorned filenmame.
set fullspec=
call :find_it %1
:: Then try all adorned filenames in order.
set mypathext=!pathext!
:loop1
:: Stop if found or out of extensions.
if "x!mypathext!"=="x" goto :loop1end
:: Get the next extension and try it.
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How do I compare strings in Java?
...he same object).
.equals() tests for value equality (whether they are logically "equal").
Objects.equals() checks for null before calling .equals() so you don't have to (available as of JDK7, also available in Guava).
Consequently, if you want to test whether two strings have the same value you ...
Difference between Select Unique and Select Distinct
...oreign keys etc.
For example:
Create Table Employee(
Emp_PKey Int Identity(1, 1) Constraint PK_Employee_Emp_PKey Primary Key,
Emp_SSN Numeric Not Null Unique,
Emp_FName varchar(16),
Emp_LName varchar(16)
)
i.e. Someone's Social Security Number would likely be a unique ...
How to add number of days to today's date? [duplicate]
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I wouldn't call this dd/mm/yyyy format. I call this d/m/yyyy.
– Sam
May 22 '13 at 8:52
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