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Find most frequent value in SQL column
...occurrence` DESC
LIMIT 1;
Replace column and my_table. Increase 1 if you want to see the N most common values of the column.
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Tablix: Repeat header rows on each page not working - Report Builder 3.0
...rows on each page but this does not work. I read somewhere that this is a known bug in Report Builder 3.0. Is this true? If not, is there something else that needs to be done?
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OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...d for options in the default sshd_config shipped with
# OpenSSH is to specify options with their default value where
# possible, but leave them commented. Uncommented options override the
# default value.
# If you want to change the port on a SELinux system, you have to tell
# SELinux about ...
Android OpenGL ES and 2D
...e it as an initializer parameter
{
/*many thanks to sprite method test if this works*/
if ( gl == null )
{
Log.e(TAG, "Failed to load resource. Context/GL is NULL");
return false;
}
int error;
int textureName = -1;
gl.glGenTextures(1, texture, 0);
te...
Why is a div with “display: table-cell;” not affected by margin?
...ecially with responsive requirements. Just take a look at flexbox which is now supported by most of the major browsers and solves this exact problem very easily. Layouting styles should never be done by JavaScript.
– ssc-hrep3
Jun 25 '17 at 5:07
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Path of assets in CSS files in Symfony 2
...is would achive EXACTLY the behaviour desired in the question.
Another (unknown if possible) solution would be to explore if "assets:install" can only take "public" as the source or could also take "assets" as a source to publish. That would help when installed with the --symlink option when develop...
Using Enum values as String literals
...you have FOUR options here. All four offer a solution but with a slightly different approach...
Option One: use the built-in name() on an enum. This is perfectly fine if you don't need any special naming format.
String name = Modes.mode1.name(); // Returns the name of this enum constant, exact...
binning data in python with scipy/numpy
...
@user: I don't know which one is faster for your data and parameters. Both of the methods should be faster than yours, and I'd expect the histogram() method to be faster for a big number of bins. But you'll have to profile yourself, I can'...
Adding external library into Qt Creator project
...rary name (without the extension and without any 'lib' prefix). Of course, if you are including a Windows specific lib, this really doesn't matter.
In case you want to store your lib files in the project directory, you can reference them with the $$_PRO_FILE_PWD_ variable, e.g.:
LIBS += -L"$$_PRO_...
Difference between dispatch_async and dispatch_sync on serial queue?
...
Yes. Using serial queue ensure the serial execution of tasks. The only difference is that dispatch_sync only return after the block is finished whereas dispatch_async return after it is added to the queue and may not finished.
for this code
dispatch_async(_serialQueue, ^{ printf("1"); });
print...