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Can I set null as the default value for a @Value in Spring?

...ckoverflow.com/questions/9347929/… mentions using ${some.param:#{null}}, and that worked for me without having to set nullValue, seems that this is the default? (In a Spring Boot application.) – vorburger Oct 5 '14 at 21:43 ...
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Pip freeze vs. pip list

...ments.txt The packages need to be in a specific format for pip to understand, which is feedparser==5.1.3 wsgiref==0.1.2 django==1.4.2 ... That is the "requirements format". Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x). If you do not specify ==1.4....
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What does $NON-NLS-1$ mean?

...y silence a warning that Eclipse emits when it encounters string literals (and has been configured to complain). The idea is that UI messages should not be embedded as string literals, but rather sourced from a resource file (so that they can be translated, proofed, etc). Consequently, Eclipse can ...
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How to position text over an image in css

...ke this: http://jsfiddle.net/EgLKV/3/ Its done by using position:absolute and z-index to place the text over the image. #container { height: 400px; width: 400px; position: relative; } #image { position: absolute; left: 0; top: 0; } #text { z-index: 100; position: ab...
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How to set standard encoding in Visual Studio

...better solution? My VS2015 keeps resetting the codepage after every crash, and with my electricity those happen pretty often, so sad, how Microsoft came to this, how they can make the best IDE and forget about default codepage setting, what a pity(( – Movsar Bekaev ...
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How do I test which class an object is in Objective-C?

...edited Feb 8 '17 at 9:02 Muruganandham K 5,01155 gold badges2929 silver badges6060 bronze badges answered Jan 13 '10 at 10:48 ...
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Changing the size of a column referenced by a schema-bound view in SQL Server

... The views are probably created using the WITH SCHEMABINDING option and this means they are explicitly wired up to prevent such changes. Looks like the schemabinding worked and prevented you from breaking those views, lucky day, heh? Contact your database administrator and ask him to do the c...
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Django using get_user_model vs settings.AUTH_USER_MODEL

... into the app cache. It might work in your specific setup, but it is a hit-and-miss scenario. If you change some settings (e.g. the order of INSTALLED_APPS) it might very well break the import and you will have to spend additional time debugging. settings.AUTH_USER_MODEL will pass a string as the f...
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Creating temporary files in bash

...many shell scripts take the name of the program with the pid as a suffix and use that as a temporary file name. This kind of naming scheme is predictable and the race condition it creates is easy for an attacker to win. A safer, though still inferior, approach is to make a temporary directo...
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Why is #!/usr/bin/env bash superior to #!/bin/bash?

...ven seen one enterprising individual suggest using #!/bin/bash was wrong and bash functionality would be lost by doing so. ...