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How can I add a key/value pair to a JavaScript object?
...operty is dynamically determined. Like in this example:
var getProperty = function (propertyName) {
return obj[propertyName];
};
getProperty("key1");
getProperty("key2");
getProperty("key3");
A real JavaScript array can be constructed using either:
The Array literal notation:
var arr = [...
How do short URLs services work?
...er would add TinyUrl to the history, which is not what you want. Also, the site that is redirected to will see the referrer (the site that you originally come from) as being the site the TinyUrl link is on (i.e., twitter.com, your own site, wherever the link is). This is just as important, so that s...
How do I use WebRequest to access an SSL encrypted site using https?
...
You're doing it the correct way but users may be providing urls to sites that have invalid SSL certs installed. You can ignore those cert problems if you put this line in before you make the actual web request:
ServicePointManager.ServerCertificateValidationCallback = new System.Net.Securit...
How do I verify that an Android apk is signed with a release certificate?
...mpt)
$ jarsigner -verify -verbose -certs my_application.apk
If you see "CN=Android Debug", this means the .apk was signed with the debug key generated by the Android SDK
(means it is unsigned), otherwise you will find something for CN.
For more details see: http://developer.android.com/guide/publ...
What is the syntax for an inner join in LINQ to SQL?
...
var results = from c in db.Companies
join cn in db.Countries on c.CountryID equals cn.ID
join ct in db.Cities on c.CityID equals ct.ID
join sect in db.Sectors on c.SectorID equals sect.ID
where (c.CountryID == cn.ID) &&am...
What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...
What It Is
This is an arrow function. Arrow functions are a short syntax, introduced by ECMAscript 6, that can be used similarly to the way you would use function expressions. In other words, you can often use them in place of expressions like function ...
How can I match on an attribute that contains a certain string?
...
@cha0site: Yes they could, in XPath 2.0 and following. This answer was written before XPath 2.0 became official. See stackoverflow.com/a/12165032/423105 or stackoverflow.com/a/12165195/423105
– LarsH
...
How do I create a self-signed certificate for code signing on Windows?
...g:
Creating a self-signed certificate authority (CA)
makecert -r -pe -n "CN=My CA" -ss CA -sr CurrentUser ^
-a sha256 -cy authority -sky signature -sv MyCA.pvk MyCA.cer
(^ = allow batch command-line to wrap line)
This creates a self-signed (-r) certificate, with an exportable private k...
How do you run a SQL Server query from PowerShell?
...
Here's an example I found on this blog.
$cn2 = new-object system.data.SqlClient.SQLConnection("Data Source=machine1;Integrated Security=SSPI;Initial Catalog=master");
$cmd = new-object system.data.sqlclient.sqlcommand("dbcc freeproccache", $cn2);
$cn2.Open();
if ($c...
Getting started with F# [closed]
...ollowing 3 steps.
First, I went through the introduction on the Try F# website which gives a good (but light) interactive introduction to the syntax and style of the language.
Next, to get a feel for actually solving problems in the language, I began solving some of the puzzles on the Project Eule...