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What are JavaScript's builtin strings?
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The idea is to just select both n and v and just pick whichever is largest: str[23]>str[27]?str[23]:str[27]. In other words, the tertiary operator is the trick. Could be extended to support IE as well: ([]+/-/[(!!1+[])[1>>1]+(!!1+[])[1&...
Update or Insert (multiple rows and columns) from subquery in PostgreSQL
...table.col1 = 123;
For the INSERT
Use:
INSERT INTO table1 (col1, col2)
SELECT col1, col2
FROM othertable
You don't need the VALUES syntax if you are using a SELECT to populate the INSERT values.
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iPhone App Minus App Store?
...w the use of this certificate:
Launch Keychain Access.app. With no items selected, from the Keychain menu select Certificate Assistant, then Create a Certificate.
Name: iPhone Developer
Certificate Type: Code Signing
Let me override defaults: Yes
Click Continue
Validity: 3650 days
Click Contin...
Convert pandas dataframe to NumPy array
...ution, in this case, to_numpy without explaining how to recover the column selecting functionality of as_matrix! I am sure there are other ways to select columns, but as_matrix was at least one of them!
– Jérémie
Jul 31 '19 at 23:50
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How to access remote server with local phpMyAdmin client?
... and now your phpMyAdmin home page will change and it will show a field to select the server.
Now you can select you server and access your remote database by entering username and password for that database.
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When to use Hadoop, HBase, Hive and Pig?
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Consider that you work with RDBMS and have to select what to use - full table scans, or index access - but only one of them.
If you select full table scan - use hive. If index access - HBase.
s...
Rails: Default sort order for a rails model?
...hen it gets used for actions like where's limiting (filtering) the default selection (a bad idea for a default) rather than just being used for ordering results.
For where selections, just use the regular named scopes. and add that scope on in the query, e.g. Book.all.published where published is a ...
Image resizing client-side with JavaScript before upload to the server
...ed in a script tag)
You can use it as follows:
<input type="file" id="select">
<img id="preview">
<script>
document.getElementById('select').onchange = function(evt) {
ImageTools.resize(this.files[0], {
width: 320, // maximum width
height: 240 // maximum heigh...
C++常用排序算法汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...汇总sort_algorithm介绍了C++常用的几种排序算法：选择排序(SelectSort)，冒泡排序(BubbleSort)，快速排序(QuickSort)，归并排序(MergeSort)，堆排序(HeapSort)，插入排序(InsertSort)，希尔排序(ShellSort) 1、选择排序(SelectSort)
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How Drupal works? [closed]
...L or other output format). Drupal will use the theme the administrator
has selected to give the web page the correct look and feel. The resulting output is then sent to the web browser (or other HTTP client).
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