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What is the reason why “synchronized” is not allowed in Java 8 interface methods?
...ways be used with care.) The sync block requires the author to explicitly select a lock object; this allows them to participate in the synchronization policy of some other object, if they know what that policy is. The dangerous part is assuming that synchronizing on 'this' (which is what sync meth...
How to access the ith column of a NumPy multidimensional array?
...]])
>>> ncol = test.shape[1]
>>> ncol
5L
Then you can select the 2nd - 4th column this way:
>>> test[0:, 1:(ncol - 1)]
array([[1, 2, 3],
[6, 7, 8]])
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How do you configure Django for simple development and deployment?
..., Python, Django, etc. As part of the installation process we allow you to select which database you want to use (MySQL, SQLite, PostgreSQL). We use the installers extensively when automating deployments internally (they can be run in unattended mode).
...
How to install the JDK on Ubuntu Linux
...8-installer . If you have multiple java installed on your system, you can select with : sudo update-alternatives --config java
– Guagua
Jun 13 '14 at 22:27
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Filter LogCat to get only the messages from My Application in Android?
...essage from another libraries. It's like Android Studio current 'Show only selected' filter. Thanks!
– equiman
Jun 26 '18 at 23:24
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Xcode warning: “Multiple build commands for output file”
...
In the Project Navigator, select your Xcode Project file. This will show you the project settings as well as the targets in the project. Look in the "Copy Bundle Resources" Build Phase. You should find the offending files in that list twice. Delete t...
Comparison of C++ unit test frameworks [closed]
...og.Warn << "Here's a warning";
Fixtures
Data-driven tests (Theories)
Select which tests to run based on:
Attribute matching
Name substring matchin
Test Suites
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Real world use cases of bitwise operators [closed]
...ut a second time will undo the first. Older GUIs used to rely on this for selection highlighting and other overlays, in order to eliminate the need for costly redraws. They're still useful in slow graphics protocols (i.e. remote desktop).
Those were just the first few examples I came up with - t...
Markdown and image alignment
...I have an alternative to the methods above that used the ALT tag and a CSS selector on the alt tag... Instead, add a URL hash like this:
First your Markdown image code:
Note the added URL ...
SqlDataAdapter vs SqlDataReader
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If your goal is to get data using a select query on db, and only access this data at different rows, go to rpevious row, etc, then you can use the SQLDatareader and load it into a datatable using dtable.Load(rdr). Then browse up and down within this datatable. ...