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MySQL with Node.js
I've just started getting into Node.js. I come from a PHP background, so I'm fairly used to using MySQL for all my database needs.
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Is there a JSON equivalent of XQuery/XPath?
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The site linked here provides for Javascript and PHP. If you need a Java implementation, there’s one here: code.google.com/p/json-path
– Matthias Ronge
Nov 16 '12 at 7:20
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how to implement a pop up dialog box in iOS
...er have a closing brace and what is the difference between your completion block and just having completion:nil ?
– Andrew Plummer
May 23 '15 at 10:26
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How to get arguments with flags in Bash
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arguments[$index]=$i;
prev_index="$(expr $index - 1)";
# this if block does something akin to "where $i contains ="
# "%=*" here strips out everything from the = to the end of the argument leaving only the label
if [[ $i == *"="* ]]
then argument_label=${i%=*}
else argument_la...
Questions every good .NET developer should be able to answer? [closed]
...ttribute.
(Regex) Write a regular expression which removes all tags from a block of HTML.
None of these are particularly difficult questions for a proficient C# programmer to answer, and they should give you a good idea of your applicants particular strengths. You may also want to work in a few qu...
iPad Safari scrolling causes HTML elements to disappear and reappear with a delay
...lement (a navbar, in this case) goes off screen, the device "reloads" that block--only using the large version, not the original medium one that the page loaded with. What the...
– cbmtrx
Nov 10 '15 at 18:45
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How to find/remove unused dependencies in Gradle
...r multimodule projects, we recommend applying the plugin in an allprojects block:
allprojects {
apply plugin: 'nebula.lint'
gradleLint.rules = ['all-dependency'] // Add as many rules here as you'd like
}
Details of Unused Dependency Rule is given in this part
To apply the rule, add:
gra...
Check if a row exists, otherwise insert
... to row level instead of the default page level, so your transaction won't block other transactions trying to update unrelated rows in the same page (but be aware of the trade-off between reduced contention and the increase in locking overhead - you should avoid taking large numbers of row-level loc...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ector component to rotate an ImageSprite on canvas. The Designer view and block view of this demo app are shown below.
Here’s how to implement the rotationSprite app:
On Screen1, there is a Canvas, Canvas1, which contains an ImageSprite (ArrowSprite) that we want to rotate. Label1 will show...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ector component to rotate an ImageSprite on canvas. The Designer view and block view of this demo app are shown below.
Here’s how to implement the rotationSprite app:
On Screen1, there is a Canvas, Canvas1, which contains an ImageSprite (ArrowSprite) that we want to rotate. Label1 will show...