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What's the false operator in C# good for?

...plicitly. Comparing to SQL, imagine a table Table with 3 rows with value Foo set to true, 3 rows with value Foo set to false and 3 rows with value Foo set to null. SELECT COUNT(*) FROM Table WHERE Foo = TRUE OR Foo = FALSE 6 In order to count all rows you'd have to do the following:- SELECT CO...
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Why doesn't JUnit provide assertNotEquals methods?

Does anybody know why JUnit 4 provides assertEquals(foo,bar) but not assertNotEqual(foo,bar) methods? 11 Answers ...
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typedef struct vs struct definitions [duplicate]

...ed to define, or to refer to, a structure type. For example, this: struct foo { int n; }; creates a new type called struct foo. The name foo is a tag; it's meaningful only when it's immediately preceded by the struct keyword, because tags and other identifiers are in distinct name spaces. (Th...
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Counting the occurrences / frequency of array elements

... Here you go: function foo(arr) { var a = [], b = [], prev; arr.sort(); for ( var i = 0; i < arr.length; i++ ) { if ( arr[i] !== prev ) { a.push(arr[i]); b.push(1); } else { b[b.le...
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Replace one substring for another string in shell script

...e first part has to be a variable reference. You can't do echo ${my string foo/foo/bar}. You'd need input="my string foo"; echo ${input/foo/bar} – Henrik N Sep 15 '16 at 7:42 ...
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How to iterate over associative arrays in Bash

...usion in the other answer comes from the fact that your question includes "foo" and "bar" for both the keys and the values. share | improve this answer | follow ...
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AngularJS - placeholder for empty result from filter

... I use ng-controller="FooController as $ctrl" and did "bar in $ctrl.filteredBars = (bars | filter:barFilter)" so I could even use $ctrl.filteredBars.length outside the ng-repeat. Thanks for this epic hint! – xlttj ...
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WinDbg基础资料(日本語) - IT优秀资料 - 清泛网 - 专注C/C++及内核技术

...ール有効性確認 背景:下記のモジュールと対応するPDB提供、デバッグ情報取得できるかどうかの確認 -AAA.exe -BBB.dll -CCC.dll -DDD.dll 手順: WinDbgの「Open Executable」メニューからdwtbt.exeを起動する、 dwtbt.exeの...
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Add Variables to Tuple

...rom the original tuple along with the new element. >>> tuple1 = ("foo", "bar") >>> tuple2 = (*tuple1, "baz") >>> tuple2 ('foo', 'bar', 'baz') The byte code is almost the same as tuple1 + ("baz",) Python 3.7.5 (default, Oct 22 2019, 10:35:10) [Clang 10.0.1 (clang-1001.0....
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RegEx to exclude a specific string constant [duplicate]

...siest way would be to use a negative-match option, for example: $var !~ /^foo$/ or die "too much foo"; If not, you have to do something evil: $var =~ /^(($)|([^f].*)|(f[^o].*)|(fo[^o].*)|(foo.+))$/ or die "too much foo"; That one basically says "if it starts with non-f, the rest can be...