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How do I use variables in Oracle SQL Developer?
...x you are prompted for the binding (in a dialog box).
Reference:
http://www.oracle.com/technetwork/testcontent/sub-var-087723.html SQL*Plus Substitution Variables, Christopher Jones, 2004
UPDATE substitution variables are a bit tricky to use, look:
define phone = '+38097666666';
select &ph...
Combining Multiple Commits Into One Prior To Push
...
Adding . will also add untracked files.
git add --all
git commit
Ref: https://makandracards.com/makandra/527-squash-several-git-commits-into-a-single-commit
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Redirect from an HTML page
...nical link to help your SEO people:
<link rel="canonical" href="http://www.example.com/product.php?item=swedish-fish"/>
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How to convert byte array to string and vice versa?
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We just need to construct a new String with the array: http://www.mkyong.com/java/how-do-convert-byte-array-to-string-in-java/
String s = new String(bytes);
The bytes of the resulting string differs depending on what charset you use. new String(bytes) and new String(bytes, Charset.fo...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...集群的数量为偶数也是可以运行的，参考这个文章http://www.itpub.net/thread-1740982-1-1.html。后来突然看了一篇stackoverflow的文章终于顿悟了，mongodb本身设计的就是一个可以跨IDC的分布式数据库，所以我们应该把它放到大的环境来看。
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Is there a shortcut to move between header and source file in VC++?
...ry Visual Assist, which sports this very feature (amongst others):
http://www.wholetomato.com/
The code browsing functionality -- of which the header/cpp swap is one part -- are really good.
(I also really rated its intellisense and refactoring features, but not everybody I've spoken to has agree...
html tables: thead vs th
...ong with the contents of the cells to which they apply.
Source: http://www.w3.org/TR/html4/struct/tables.html
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Reading my own Jar's Manifest
...t;
</dependency>
Also, see this blog post for more details: http://www.yegor256.com/2014/07/03/how-to-read-manifest-mf.html
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Android Camera : data intent returns null
...ou can verify this by looking at the camera app's source code on GitHub:
https://github.com/android/platform_packages_apps_camera/blob/gingerbread-release/src/com/android/camera/Camera.java#L1186
Bundle newExtras = new Bundle();
if (mCropValue.equals("circle")) {
newExtras.putString("circleCr...
Query to list number of records in each table in a database
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A snippet I found at http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=21021 that helped me:
select t.name TableName, i.rows Records
from sysobjects t, sysindexes i
where t.xtype = 'U' and i.id = t.id and i.indid in (0,1)
order by TableName;
...