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Using a bitmask in C#

... enum: [Flags] public enum Names { None = 0, Susan = 1, Bob = 2, Karen = 4 } Then you'd check for a particular name as follows: Names names = Names.Susan | Names.Bob; // evaluates to true bool susanIsIncluded = (names & Names.Susan) != Names.None; // evaluates to false bool...
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The SQL OVER() clause - when and why is it useful?

... answered Jun 2 '11 at 19:54 Andriy MAndriy M 69.3k1616 gold badges8484 silver badges139139 bronze badges ...
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Convert Python dict into a dataframe

...tems()) # or list(d.items()) in python 3 Out[11]: 0 1 0 2012-07-02 392 1 2012-07-06 392 2 2012-06-29 391 3 2012-06-28 391 ... In [12]: pd.DataFrame(d.items(), columns=['Date', 'DateValue']) Out[12]: Date DateValue 0 2012-07-02 392 1 2012-07-06 ...
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Why should I prefer to use member initialization lists?

... 281 For POD class members, it makes no difference, it's just a matter of style. For class members...
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Java: random long number in 0

... 152 Starting from Java 7 (or Android API Level 21 = 5.0+) you could directly use ThreadLocalRandom.c...
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Easiest way to compare arrays in C#

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Mercurial move changes to a new branch

...e rebase extension. Suppose you have a history like this: @ changeset: 2:81b92083cb1d | tag: tip | summary: my new feature: edit file a | o changeset: 1:8bdc4508ac7b | summary: my new feature: add file b | o changeset: 0:d554afd54164 summary: initial This means,...
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How to handle anchor hash linking in AngularJS

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Hex transparency in colors [duplicate]

... 3728 Here's a correct table of percentages to hex values. E.g. for 50% white you'd use #80FFFFFF. ...
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AngularJS does not send hidden field value

... 288 You cannot use double binding with hidden field. The solution is to use brackets : <input ...