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Does static variables in php persist across the requests?

Static variable gotcha in php I am from Java background and have switched to php for one project recently. I ... /520132/does-static-variables-in-php-persist-across-the-requests...

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Android Background Service is restarting when application is killed

I am developing an application in which a background service is created to collect sensor data. I am ... /android-background-service-is-restarting-when-application-is-killed...

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iphone - Prevent iOS mobile safari from going idle / auto-locking / sleeping?

In an iOS app you can set application.idleTimerDisabled = YES to prevent the phone from auto locking. I need ... /prevent-ios-mobile-safari-from-going-idle-auto-locking-sleeping...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to call outer function's return from inner function?

I have such code: function allValid() { $('input').each(function(index) { if(something) { return false ... /questions/2509635/how-to-call-outer-functions-return-from-inner-function...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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security - GAE: best practices for storing secret keys?

Are there any non-terrible ways of storing secret keys for Google App Engine? Or, at least, less terrible ... .com/questions/6501234/gae-best-practices-for-storing-secret-keys...

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can i try windows azure free trial without having a credit card?

(Closed.) This question is off-topic. It is not currently accepting answers. question from:https://stackoverflow.com/ ... -try-windows-azure-free-trial-without-having-a-credit-card...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do you pack a visual studio c++ project for release?

I'm wondering how to make a release build that includes all necessary dll files into the .exe so the program can be ... /3230/how-do-you-pack-a-visual-studio-c-project-for-release...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - React.js: Stop render from scrolling to top of page

Every time you perform a render in React.js, the UI scrolls to the top of the page. JSFiddle: http:// ... questions/30365818/react-js-stop-render-from-scrolling-to-top-of-page...

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performance - Most efficient Java primitive collections library

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. ... com/questions/3307622/most-efficient-java-primitive-collections-library...

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indexing - How does a geospatial index work?

question from:https://stackoverflow.com/questions/4576892/how-does-a-geospatial-index-work...

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Java ConcurrentHashMap implementation

I was just looking at the source code of Java's ConcurrentHashMap and found this line of code ... https://stackoverflow.com/questions/12268843/java-concurrenthashmap-implementation...

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iphone - iOS 7 Safari: OS locks up for 4 seconds when clicking/focusing on a HTML input

UPDATE: The issue seems to stem from having many select elements on a page. How random is that? So here's the ... -locks-up-for-4-seconds-when-clicking-focusing-on-a-html-input...

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java - Is there a more efficient way of making pagination in Hibernate than executing select and count queries?

Usually pagination queries look like this. Is there a better way instead of making two almost equal methods, ... efficient-way-of-making-pagination-in-hibernate-than-executing-s...

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java - Why does Math.round return a long but Math.floor return a double?

Why the inconsistency? question from:https://stackoverflow.com/questions/3412449/why-does-math-round-return-a-long-but-math-floor-return-a-double...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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git - Multiple staging areas

Can I have multiple staging areas or achieve a similar effect using git? My typical work flow is along ... from:https://stackoverflow.com/questions/28947201/multiple-staging-areas...

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java - What's the difference between jackson-core-asl and jackson-core-lgpl

(Closed.) This question is off-topic. It is not currently accepting answers. question from:https://stackoverflow. ... -the-difference-between-jackson-core-asl-and-jackson-core-lgpl...

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java - Is there any reason I shouldn't store my keystore in version control?

I'm using a keystore (.jks) to store the certificate I use to sign my Android applications. The Android ... there-any-reason-i-shouldnt-store-my-keystore-in-version-control...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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amazon ec2 - EC2 instance image on VirtualBOX?

Is there any way of getting the saved EC2 instance image and running it on virtualbox on my personal ... //stackoverflow.com/questions/6441569/ec2-instance-image-on-virtualbox...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - UITextField -webView no longer supported

I get the below debug output when working with some text fields. UITextField -webView called. This ... stackoverflow.com/questions/19073960/uitextfield-webview-no-longer-supported...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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version control - Remove deleted files from git history

I'm trying to split a subproject off of my git repository. However unlike in Detach (move) ... stackoverflow.com/questions/10676128/remove-deleted-files-from-git-history...

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libusb: error [op_open] getcap failed in C++ on Linux

I am running into trouble calling libusb_open in C++ on Linux (running on Raspberry Pi but virtualized to x86 using ... /41504792/libusb-error-op-open-getcap-failed-in-c-on-linux...

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Default template for iPython notebook (using Jupyter)

In the first cell of every iPython (Jupyter) notebook, I almost always type: %matplotlib inline import ... /questions/34002326/default-template-for-ipython-notebook-using-jupyter...

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java - Use cases for implementing annotations

What are valid use cases for implementing annotations? When designing primarily annotation based configuration ... com/questions/3341930/use-cases-for-implementing-annotations...

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r - Difference between Rscript and littler

...besides the fact that Rscript is invoked with #!/usr/bin/env Rscript and littler with #!/usr/ ... ://stackoverflow.com/questions/3205302/difference-between-rscript-and-littler...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - AudioFlinger could not create track. status: -12

I am programming for android 2.2 and am trying to using the SoundPool class to play several sounds ... com/questions/11964623/audioflinger-could-not-create-track-status-12...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Assigning classes to elements through CSS

I'd like to tell the browser to assign certain CSS classes to elements matching a particular selector. ... .com/questions/8008110/assigning-classes-to-elements-through-css...

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c - gcc, strict-aliasing, and casting through a union

Do you have any horror stories to tell? The GCC Manual recently added a warning regarding -fstrict-aliasing ... questions/2906365/gcc-strict-aliasing-and-casting-through-a-union...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Django and VirtualEnv Development/Deployment Best Practices

Just curious how people are deploying their Django projects in combination with virtualenv More specifically ... 2241055/django-and-virtualenv-development-deployment-best-practices...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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