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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...n.
You can of course wrap this in a function if you don't want to put the extra code on the client side. You also need a loop for the very rare race condition in that thinking.
There's an example of this in the documentation: http://www.postgresql.org/docs/9.3/static/plpgsql-control-structures.ht...
Tablix: Repeat header rows on each page not working - Report Builder 3.0
...n the <TablixRowHierarchy>. I took my best guess as to which was the extra (one that wrapped the group) and removed it. This version failed to render, but the error message indicated that a row needed to have its <Repeat...> and <KeepWith...> settings changed to match the previous ...
ASP.NET MVC - TempData - Good or bad practice
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Why do that extra work when you can post directly back to Products/New? What value does Products/Create add?
– mpen
Dec 10 '11 at 21:07
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Linux MySql编译安装 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...\
-DDEFAULT_CHARSET=utf8 \
-DDEFAULT_COLLATION=utf8_general_ci \
-DWITH_EXTRA_CHARSETS=all \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_MEMORY_STORAGE_ENGINE=1 \
-DWITH_READLINE=1 \
-DENABLED_LOCAL_INFILE=1 \
-DMYSQL_DATADIR=/var/mysql/data \
-DMYSQL_USER=my...
File Upload without Form
...es of file_field to form_data
form_data.append("user_id", 123) // Adding extra parameters to form_data
$.ajax({
url: "/upload_avatar", // Upload Script
dataType: 'script',
cache: false,
contentType: false,
processData: false,
data: form_data, // Setting the data attribute...
How does delete[] know it's an array?
...oo;
then the memory space that's allocated for foo shouldn't include any extra overhead that would be needed to support arrays of Foo.
Since only array allocations are set up to carry the extra array size information, you then need to tell the runtime libraries to look for that information when y...
In Python, how can you load YAML mappings as OrderedDicts?
...- else
data is of type CommentedMap which functions like a dict, but has extra information that is kept around until being dumped (including the preserved comment!)
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Remove duplicate entries using a Bash script [duplicate]
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I like the Perl solution because it allows me to add extra conditions, e.g. only enforce uniqueness on lines matching a certain pattern.
– Amos Shapira
Oct 11 '18 at 4:10
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Dynamically adding a form to a Django formset with Ajax
...ond to the situation after clicking the "add" button (change the number of extra fields).
Load the page, view the source and take a note of how the <input> fields changed.
Create some JavaScript which modifies the DOM in a suitable way to move it from the before state to the after state.
Attac...
How to pass data from 2nd activity to 1st activity when pressed back? - android
...f (requestCode == 1) {
if(resultCode == RESULT_OK) {
String strEditText = data.getStringExtra("editTextValue");
}
}
}
If you can, also use SharedPreferences for sharing data between Activities.
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