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Get users by name property using Firebase
...hild attribute (for example, all users with name === "Alex").
In October 2014, Firebase rolled out new querying functionality via the orderByChild() method, that enables you to do this type of query quickly and efficiently. See the updated answer below.
When writing data to Firebase, you have a...
Determine if running on a rooted device
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edited Sep 13 '16 at 16:01
Marlon
1,37311 gold badge1414 silver badges3232 bronze badges
answered Nov ...
How to git-cherry-pick only changes to certain files?
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answered Apr 19 '11 at 14:04
CascabelCascabel
398k6464 gold badges352352 silver badges307307 bronze badges
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Match whitespace but not newlines
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Perl versions 5.10 and later support subsidiary vertical and horizontal character classes, \v and \h, as well as the generic whitespace character class \s
The cleanest solution is to use the horizontal whitespace character class \h. This wil...
Best way in asp.net to force https for an entire site?
...HowToEnableHTTPStrictTransportSecurityHSTSInIIS7.aspx
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<system.webServer>
<rewrite>
<rules>
<rule name="HTTP to HTTPS redirect" stopProcessing="true">
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What is the difference between List (of T) and Collection(of T)?
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50
Collection<T> is a customizable wrapper around IList<T>. While IList<T> is not...
Why wasn't PyPy included in standard Python?
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250
PyPy is not a fork of CPython, so it could never be merged directly into CPython.
Theoretically...
Entity Framework rollback and remove bad migration
I'm using EF 6.0 for my project in C# with manual migrations and updates. I have about 5 migrations on the database, but I realised that the last migration was bad and I don't want it. I know that I can rollback to a previous migration, but when I add a new (fixed) migration and run Update-Database,...
Why should a function have only one exit-point? [closed]
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109
There are different schools of thought, and it largely comes down to personal preference.
One ...
Most efficient way to check for DBNull and then assign to a variable?
...ion instead.
On an unrelated note, here's a VB.NET alternative to Stevo3000's suggestion:
oSomeObject.IntMember = If(TryConvert(Of Integer)(oRow("Value")), iDefault)
oSomeObject.StringMember = If(TryCast(oRow("Name"), String), sDefault)
Function TryConvert(Of T As Structure)(ByVal obj As Object...