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MySQL ON DUPLICATE KEY - last insert id?
...LAST_INSERT_ID(3000)) ON DUPLICATE KEY UPDATE id = LAST_INSERT_ID(id + 1);
SELECT LAST_INSERT_ID();
If the prefix exists, it will increment it and populate last_insert_id.
If the prefix does not exist, it will insert the prefix with the value 3000 and populate last_insert_id with 3000.
...
Search for string and get count in vi editor
...ore informations)
(This way, it works perfectly with "Search for visually selected text", as described in vim-wikia tip171)
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How to access the ith column of a NumPy multidimensional array?
...]])
>>> ncol = test.shape[1]
>>> ncol
5L
Then you can select the 2nd - 4th column this way:
>>> test[0:, 1:(ncol - 1)]
array([[1, 2, 3],
[6, 7, 8]])
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In eclipse, unable to reference an android library project in another android project
...on of this 'Is Library' checkbox. It's not intuitive that this is actually selecting the target of the current app/library build and not an option switch for the libraries to be included.
– EtienneSky
May 16 '12 at 6:42
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Do I need to create indexes on foreign keys on Oracle?
...ance of an index may be unacceptable.
Most salient here would seem to be selectivity: if the values in the index would be highly duplicated then it may give better performance to drop the index (if possible) and allow a table scan.
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Create a new database with MySQL Workbench
...CE.
You launch MySQL Workbench.
From Menu Bar click on Database and then select "Connect to Database"
It by default showing you default settings other wise you choose you host name, user name and password. and click to ok.
As in above define that you should click write on existing database but if ...
HTML: How to limit file upload to be only images?
...t will show all files. So the Javascript part validates whether or not the selected file is an actual image.
<div class="col-sm-8 img-upload-section">
<input name="image3" type="file" accept="image/*" id="menu_images"/>
<img id="menu_image" class="preview_img" />
&...
Pandas DataFrame column to list [duplicate]
...
Easier way is just to do df['b'].values. If you select the column before using .values it will avoid a conversion and preserve the original dtype. This is also much more efficient.
– JohnE
Dec 7 '16 at 12:33
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How to set an iframe src attribute from a variable in AngularJS
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select template;
iframe controller, ng model update
index.html
angularapp.controller('FieldCtrl', function ($scope, $sce) {
var iframeclass = '';
$scope.loadTemplate = function() {
if ($scope.tem...
Enable binary mode while restoring a Database from an SQL dump
...ease follows the preceding steps.
Open file in notepad.
Click on Save as
Select Encoding type UTF-8.
Now source your db.
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