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How to negate a method reference predicate
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218
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PHP cURL HTTP CODE return 0
...wise it will fail and you get a 0. So if you try to connect to "www.google.com/lksdfk" you will get a return code of 400, if you go directly to google.com, you will get 302 (and then 200 if you forward to the next page... well I do because it forwards to google.com.br, so you might not get that), an...
How to change a django QueryDict to Python Dict?
...ion and my own answer here (works with v2 and v3 of python): stackoverflow.com/questions/37026535/…
– Olivier Pons
May 4 '16 at 12:54
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What guidelines for HTML email design are there? [closed]
...s 1999.
Go back to tables for layout (or preferably - don't attempt any complex layout)
Be afraid of background images (they break in Outlook 2007 and Gmail).
The style-tag-in-the-body thing is because Hotmail used to accept it that way - I'm pretty sure they strip it out now though. Use inline ...
What is the maximum value for an int32?
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2147483647 without commas.
– Vern D.
Feb 5 '16 at 20:22
20
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Read/write to Windows registry using Java
... in the java.util.prefs.Preferences class. The internals of this class are complicated, but the class itself is very easy to use.
For example, the following code obtains the exact windows distribution from the registry:
String value = WinRegistry.readString (
WinRegistry.HKEY_LOCAL_MACHINE, ...
LINQ's Distinct() on a particular property
...new { p.Id, p.Name });
Untested, but it should work (and it now at least compiles).
It assumes the default comparer for the keys though - if you want to pass in an equality comparer, just pass it on to the HashSet constructor.
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Are there pronounceable names for common Haskell operators? [closed]
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to me, (.) is "compose".
– luqui
Oct 12 '11 at 22:13
48
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async/await - when to return a Task vs void?
... they represent top-level async operations, and have additional rules that come into play when your task returns an exception. The easiest way is to show the difference is with an example:
static async void f()
{
await h();
}
static async Task g()
{
await h();
}
static async Task h()
{
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Why when a constructor is annotated with @JsonCreator, its arguments must be annotated with @JsonPro
...t explains how to get rid of extraneous annotations with the help of Java8 compiler flag and a Jackson module. I've tested the approach and it works.
– quantum
Sep 21 '15 at 17:46
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