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MySQL - why not index every field?
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@Andrew a year and a half later, did you find the answer to your question?
– Sinjai
Jan 11 '19 at 17:10
1
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How do Google+ +1 widgets break out of their iframe?
Somehow, hovering over a Google+ plus-one widget can introduce a tooltip-type deal that is clearly larger than the <iframe> element in which it is contained. I’ve inspected the DOM to confirm this.*
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PSQLException: current transaction is aborted, commands ignored until end of transaction block
...TABLE moobar
(
myval INT
);
Java program causes the error:
public void postgresql_insert()
{
try
{
connection.setAutoCommit(false); //start of transaction.
Statement statement = connection.createStatement();
System.out.println("start doing ...
unresolved reference to object [INFORMATION_SCHEMA].[TABLES]
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Peter Schott has a point here. It is generally a good idea to copy referenced dacpac files somewhere inside the solution and use from there.
– Veysel Ozdemir
Mar 26 '14 at 10:41
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Finding which process was killed by Linux OOM killer
...configuration, but worth noting that using both approaches could be a good idea.
– kungphu
Mar 1 '16 at 1:21
3
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How can I get a precise time, for example in milliseconds in Objective-C?
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Core Animation (QuartzCore.framework) also provides a convenience method, CACurrentMediaTime(), that converts mach_absolute_time() directly into a double.
– otto
Feb 27 '13 at 4:28
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Warning as error - How to rid these
I cannot figure out how to get rid of errors that basically should not be halting my compile in Visual Studio 2010 and should not be show stoppers, or at least I will fix them later, but I don't want the compile to just error and halt on these kinds of problems.
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Sass calculate percent minus px
...verted from one unit to the next. Sass has no way of knowing exactly how wide "100%" is in terms of pixels or any other unit. That's something only the browser knows.
You need to use calc() instead. Check browser compatibility on Can I use...
.foo {
height: calc(25% - 5px);
}
If your valu...
How to serialize a lambda?
...seems to be quite powerful. Is there any use of such a cast expression outside of casting lambdas? E.g. is it now also possible to do something similar with an ordinary anonymous class?
– Balder
Apr 2 '14 at 10:50
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Inject errors into already validated form?
After my form.Form validates the user input values I pass them to a separate (external) process for further processing. This external process can potentially find further errors in the values.
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