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Java Programming - Where should SQL statements be stored? [closed]

...ored in a file (properties/xml file) is the next step. Metadata driven (as done by an ORM like Hibernate/JPA) is the last step. Hardcoded has the disadvantage that your code is likely to become DB-specific and that you need to rewrite/rebuild/redistribute on every change. Advantage is that you have...
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iPhone UIButton - image position

... move the title to left and the image to right, that would be enough. Why do I need to set both left and right? – PokerIncome.com Jul 11 '13 at 18:23 3 ...
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android pick images from gallery

...tyForResult(Intent.createChooser(intent, "Select Picture"), PICK_IMAGE); Don't forget also to create the constant PICK_IMAGE, so you can recognize when the user comes back from the image gallery Activity: public static final int PICK_IMAGE = 1; @Override public void onActivityResult(int requestC...
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Jenkins Git Plugin: How to build specific tag?

...s to build a specified tag. The tag is part of a parametrized build, but I do not know how to pass this through to the git plugin to just build that tag. This has been taking 3 hours of my day and I have conceded defeat to the masters at stack overflow. ...
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When would you use a WeakHashMap or a WeakReference?

...an image cache is supposed to prevent us from reloading images when we don't absolutely need to, you will quickly realize that the cache should always contain a reference to any image which is already in memory. With ordinary strong references, though, that reference itself will force ...
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How do android screen coordinates work?

...evice screen coordinates, below concept will work. Display mdisp = getWindowManager().getDefaultDisplay(); Point mdispSize = new Point(); mdisp.getSize(mdispSize); int maxX = mdispSize.x; int maxY = mdispSize.y; EDIT:- ** **for devices supporting android api level older than 13. Can use below c...
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Fastest check if row exists in PostgreSQL

...nch of rows that I need to insert into table, but these inserts are always done in batches. So I want to check if a single row from the batch exists in the table because then I know they all were inserted. ...
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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java

...er in one regard. The classes Any, AnyRef and AnyVal are classes. But they don't appear as classes in bytecode, because of intrinsic limitations of the JVM. This arises out of the fact that not everything in Java is an object. In addition to objects, there are primitives. All objects in Java are de...
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What are the effects of exceptions on performance in Java?

...ens for try at all in general - everything that needs to happen is already done when the class is loaded by the VM) and it makes throw not quite as slow. I don't know which JVM uses this new, better technique... ...but are you writing in Java so your code later on only runs on one JVM on one speci...
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Generate .pem file used to set up Apple Push Notifications

...ch is generated in Step 4, then click "Generate" button. Step 6: Click "Done" to finish the registration, the iOS Provisioning Portal Page will be refreshed that looks like the following screen: Then Click "Download" button to download the certificate (.cer file) you've created just now. - Dou...