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Difference between jQuery parent(), parents() and closest() functions
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Begins with the parent element
Travels up the DOM tree to the document's root element, adding each
ancestor element to a temporary collection; it then filters that
collection based on a selector if one is supplied
The returned jQuery object contains zero, one, or multiple elements
.parent()
Give...
Changing the maximum length of a varchar column?
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Also it works for MySQL and this question is tagged [TSQL] so it's in the wrong place
– jean
Mar 28 '18 at 10:55
6
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Xcode — what is $(SRCROOT)?
... need to update some paths. The library search paths all start with $(SRCROOT) . What does that mean?
3 Answers
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Insert string at specified position
...er than the putinplace function. I was using the later function to parse a mysql query. Although the output looked alright, the query resulted in a error which took me a while to track down. The following is my version of the stringInsert function requiring only one parameter.
function stringInsert...
Data binding to SelectedItem in a WPF Treeview
...e namespace declaration):
<TreeView ItemsSource="{Binding Path=Root.Children}" local:TreeViewHelper.SelectedItem="{Binding Path=SelectedItem, Mode=TwoWay}">
</TreeView>
Now you can bind the selected item, and also set it in your view model to change it programmatically, s...
How to reset a single table in rails?
...ipes all data and resets the autoincrement counters in the table. Works in MySQL and Postgres, does not work in Sqlite.
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PostgreSQL query to list all table names?
...hema.tables
WHERE table_type='BASE TABLE'
AND table_schema='public';
For MySQL you would need table_schema='dbName' and for MSSQL remove that condition.
Notice that "only those tables and views are shown that the current user has access to". Also, if you have access to many databases and want to ...
驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网移动...
...要操作。在这样的情况下，
用户和系统管理员经常询问如何控制 OOM Killer的行为。为了方便控制，引入了 /proc/ <pid> /oom_adj旋钮，以防止系统中的重要进程被杀死，并定义要杀死的进程的顺序。oom_adj的可能值范围从 -17 到 +15...
Android - Pulling SQlite database android device
...droid v4 or above, you can pull app data, including it's database, without root by using adb backup command, then extract the backup file and access the sqlite database.
First backup app data to your PC via USB cable with the following command, replace app.package.name with the actual package name ...
URL rewriting with PHP
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The .htaccess route with mod_rewrite
Add a file called .htaccess in your root folder, and add something like this:
RewriteEngine on
RewriteRule ^/?Some-text-goes-here/([0-9]+)$ /picture.php?id=$1
This will tell Apache to enable mod_rewrite for this folder, and if it gets asked a URL matching th...