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Sql Server equivalent of a COUNTIF aggregate function

... You could use a SUM (not COUNT!) combined with a CASE statement, like this: SELECT SUM(CASE WHEN myColumn=1 THEN 1 ELSE 0 END) FROM AD_CurrentView Note: in my own test NULLs were not an issue, though this can be environment dependent. You could handle nul...
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List of all special characters that need to be escaped in a regex

... You can look at the javadoc of the Pattern class: http://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html You need to escape any char listed there if you want the regular char and not the special meaning. As a maybe simpler solution, you can put the template between \Q and \E -...
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Using a bitmask in C#

...renIsIncluded = (names & Names.Karen) != Names.None; Logical bitwise combinations can be tough to remember, so I make life easier on myself with a FlagsHelper class*: // The casts to object in the below code are an unfortunate necessity due to // C#'s restriction against a where T : Enum cons...
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What's the name for hyphen-separated case?

... strong case to be made that kebab-case is winning: https://trends.google.com/trends/explore?date=all&q=kebab-case,spinal-case,lisp-case,dash-case,caterpillar-case spinal-case is a distant second, and no other terms have any traction at all. Additionally, kebab-case has entered the lexicon of...
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Can a Windows batch file determine its own file name?

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What makes Scala's operator overloading “good”, but C++'s “bad”?

...mmers can abuse. The real answer is mentoring. http://james-iry.blogspot.com/2009/03/operator-overloading-ad-absurdum.html None-the-less, there are differences between C++'s operator overloading and Scala's flexible method naming which, IMHO, make Scala both less abusable and more abusable. In C...
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How to handle :java.util.concurrent.TimeoutException: android.os.BinderProxy.finalize() timed out af

...k GC code (as implemented in the Dalvik project in the AOSP site) is not a complicated piece of code. The basic way it work is covered in my DroidCon slides. What I did not cover is the basic GC loop - at the point where the collector has a list of Objects to finalize (and destroy). The loop logic a...
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In Subversion can I be a user other than my login name?

... Most Subversion commands take the --username option to specify the username you want to use to the repository. Subversion remembers the last repository username and password used in each working copy, which means, among other things, that i...
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How can I make space between two buttons in same div?

... edited Feb 13 '19 at 5:37 Community♦ 111 silver badge answered Jun 26 '12 at 22:10 Miroslav PopovicMir...
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Getting the location from an IP address [duplicate]

....io/8.8.8.8 { "ip": "8.8.8.8", "hostname": "google-public-dns-a.google.com", "loc": "37.385999999999996,-122.0838", "org": "AS15169 Google Inc.", "city": "Mountain View", "region": "CA", "country": "US", "phone": 650 } Here's a PHP example: $ip = $_SERVER['REMOTE_ADDR']; $details ...