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Best way to test if a row exists in a MySQL table
I'm trying to find out if a row exists in a table. Using MySQL, is it better to do a query like this:
12 Answers
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Java time-based map/cache with expiring keys [closed]
Do any of you know of a Java Map or similar standard data store that automatically purges entries after a given timeout? This means aging, where the old expired entries “age-out” automatically.
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How to “crop” a rectangular image into a square with CSS?
I know that it is impossible to actually modify an image with CSS, which is why I put crop in quotes.
10 Answers
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How to get POSTed JSON in Flask?
I'm trying to build a simple API using Flask, in which I now want to read some POSTed JSON. I do the POST with the Postman Chrome extension, and the JSON I POST is simply {"text":"lalala"} . I try to read the JSON using the following method:
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How can I unit test a GUI?
...he app.
Cucumber allows you to write tests like this:
Scenario: Dialog manipulation
Given the frame "SwingSet" is visible
When I click the menu "File/About"
Then I should see the dialog "About Swing!"
When I click the button "OK"
Then I should not see the dialog "About Swing!"...
Is it valid to have a html form inside another html form?
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Note: Although one can trick the W3C Validators to pass a page by manipulating the DOM via scripting, it's still not legal HTML. The problem with using such approaches is that the behavior of your code is now not guaranteed across browsers. (since it's not standard)
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Visual Studio loading symbols
I'm working on a ColdFusion project for a while now, and Visual Studio started to behave strange for me at least.
16 Answ...
How do I get git to default to ssh and not https for new repositories
These days when I create a new repository on GitHub on the setup page I get:
6 Answers
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Limit File Search Scope in Sublime Text 2
... answered May 5 '14 at 19:01
Daniel FlippanceDaniel Flippance
6,24722 gold badges3737 silver badges5151 bronze badges
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Visual Studio “Could not copy” … during build
...n, at the best a partial solution. I dont wanna restart VS every 10min. Cleaning the solution works for me, but cleaning it every 10min is also not a solution.
– Legends
Apr 15 '15 at 19:39
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