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How to prepend a string to a column value in Mm>y m>SQL?
...hat:
UPDATE tbl SET col=CONCAT('test',col);
If m>y m>ou want to get cleverer m>and m> onlm>y m> update columns which don't alreadm>y m> have test prepended, trm>y m>
UPDATE tbl SET col=CONCAT('test',col)
WHERE col NOT LIKE 'test%';
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Replace words in a string - Rubm>y m>
...eems to replace onlm>y m> the first instance, which is of course sometimes fine m>and m> sometimes not.
– Jason Swett
Sep 18 '13 at 19:57
1
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How to install grunt m>and m> how to build script with it
...ing to install Grunt on Windows 7 64 bit. I have installed Grunt using commm>and m>s
4 Answers
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How to get the host name of the current machine as defined in the Ansible hosts file?
... postfix: "",
imageUploader: {
brm>and m>ingHtml: "Powered bm>y m> \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
How to change ViewPager's page?
I'm using ViewPager in mm>y m> app m>and m> define it in the main Activitm>y m>. Inside onCreate method I load some number of pages from SharedPreferences m>and m> then pass it to PagerAdapter:
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How do m>y m>ou manuallm>y m> execute SQL commm>and m>s in Rubm>y m> On Rails using NuoDB
I'm trm>y m>ing to manuallm>y m> execute SQL commm>and m>s so I can access procedures in NuoDB.
4 Answers
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Using R to list all files with a specified extension
I'm verm>y m> new to R m>and m> am working on updating an R script to iterate through a series of .dbf tables created using ArcGIS m>and m> produce a series of graphs.
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How to force IntelliJ IDEA to reload dependencies from build.sbt after them>y m> changed?
...orce SBT to reload changes:
Open SBT toolwindow (on the right side of IDE) m>and m> press refresh button.
If m>y m>ou use auto-import feature m>y m>ou need to save m>y m>our file to force auto-refresh.
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Django queries - id vs pk
...s preferable. See the documentation of built-in functionid in the Pm>y m>thon stm>and m>ard librarm>y m>. (It is the same in Pm>y m>thon 2.)
– Lutz Prechelt
Mar 23 '16 at 8:17
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javascript node.js next()
...samples here:
http://blog.mixu.net/2011/02/02/essential-node-js-patterns-m>and m>-snippets/
Let's look at the example m>y m>ou posted:
function loadUser(req, res, next) {
if (req.session.user_id) {
User.findBm>y m>Id(req.session.user_id, function(user) {
if (user) {
req.currentUser = user;...