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Why would iterating over a List be faster than indexing through it?

...nt head -> item1 -> print item1 -> item2 -> print item2 etc. all in a single traversal, which is O(N). Now, going to the other implementation of List which is ArrayList, that one is backed by a simple array. In that case both of the above traversals are equivalent, since an array is c...
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Difference between two dates in Python

... objects and take the days member. from datetime import datetime def days_between(d1, d2): d1 = datetime.strptime(d1, "%Y-%m-%d") d2 = datetime.strptime(d2, "%Y-%m-%d") return abs((d2 - d1).days) share ...
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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?

... You are so close! All you need to do is select BOTH the home and its max date time, then join back to the topten table on BOTH fields: SELECT tt.* FROM topten tt INNER JOIN (SELECT home, MAX(datetime) AS MaxDateTime FROM topten GR...
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Prevent errors from breaking / crashing gulp watch

... Your swallowError function should look like this: function swallowError (error) { // If you want details of the error in the console console.log(error.toString()) this.emit('end') } I think you have to bind this function ...
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Virtual/pure virtual explained

... when a virtual function is overridden the most-derived version is used at all levels of the class hierarchy, rather than just the level at which it was created. Therefore if one method of the base class calls a virtual method, the version defined in the derived class will be used instead of the ver...
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How do I decode a base64 encoded string?

...t the same method can be used for both encrypting and decrypting the text. All you have to do is reverse m0001cd: string p0 = Encoding.UTF8.GetString(Convert.FromBase64String("OBFZDT...")); string result = m000493(p0, "_p0lizei."); // result == "gaia^unplugged^Ta..." with return m0001cd(build...
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How can I check file size in Python?

...locks by the block size, but I'm still searching how to get it programmatically and cross-platform (not via tune2fs etc.) – Tomasz Gandor Apr 22 '16 at 20:56 add a comment ...
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What is the meaning of the prefix N in T-SQL statements and when should I use it?

...efix - I wasn't able to fix it for two days. My database collation is SQL_Latin1_General_CP1_CI_AS. It has a table with a column called MyCol1. It is an Nvarchar This query fails to match Exact Value That Exists. SELECT TOP 1 * FROM myTable1 WHERE MyCol1 = 'ESKİ' // 0 result using pref...
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Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]

...ot. Android Development Tools (ADT) 9.0.0 (or later) has a feature that allows you to save state of the AVD (emulator), and you can start your emulator instantly. You have to enable this feature while creating a new AVD or you can just create it later by editing the AVD. Also I have increased th...
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Remote debugging Tomcat with Eclipse

... Actually, yours did fix it. Eclipse doesn't actually say anything when it successfully connects, and reconnecting a second time forces the error. So it was working, but I just didn't notice. – victor ...