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Combining two Series into a DataFrame in pandas
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If I may answer this.
The fundamentals behind converting series to data frame is to understand that
1. At conceptual level, every column in data frame is a series.
2. And, every column name is a key name that maps to a series.
If you keep above two concepts in mind, y...
iPhone - Get Position of UIView within entire UIWindow
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That's an easy one:
[aView convertPoint:localPosition toView:nil];
... converts a point in local coordinate space to window coordinates. You can use this method to calculate a view's origin in window space like this:
[aView.superview convertPoint:aV...
Python: print a generator expression?
...tor, without the need to build an intermediate list:
>>> _ = map(sys.stdout.write, (x for x in string.letters if x in (y for y in "BigMan on campus")))
acgimnopsuBM
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How do you force Visual Studio to regenerate the .designer files for aspx/ascx files?
...d add any that are missing to
the designer file.
In VS2013-15 there is a Convert to Web Application command under the Project menu. Prior to VS2013 this option was available in the right-click context menu for as(c/p)x files. When this is done you should see that you now have a *.Designer.cs file ...
Convert a series of parent-child relationships into a hierarchical tree?
...
Another, more simplified way to convert the flat structure in the $tree into a hierarchy. Only one temporary array is needed to expose it:
// add children to parents
$flat = array(); # temporary array
foreach ($tree as $name => $parent)
{
$flat[$nam...
How to exclude a directory in find . command
...his command: sudo sh -c "free && sync && echo 3 > /proc/sys/vm/drop_caches && free" to clear the cache (see unix.stackexchange.com/questions/87908/…).
– ndemou
Nov 19 '14 at 9:40
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How to get memory available or used in C#
...object sender, EventArgs e)
{
this.textBox1.Text = "CPU Usage: " +
Convert.ToInt32(cpuCounter.NextValue()).ToString() +
"%";
this.textBox2.Text = Convert.ToInt32(ramCounter.NextValue()).ToString()+"Mb";
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void Initial...
Pattern to avoid nested try catch blocks?
...hus it is definitely better in terms of abstraction and maintainability to convert it into a conditional method with return whether it is succeeded or not, this way you hide the exception handling messy syntax with a clear descriptive method .. then your code will handle it as it is a regular condit...
Parsing Visual Studio Solution files
...ferent in that we wanted VS to sort out the build order for us, so we then converted any dll references to project references where possible.
We then automated this into a build process by running VS via COM automation.
This solution was a little Heath Robinson, but had the advantage that VS was d...
Calculate number of hours between 2 dates in PHP
...te difficult to take leap seconds into account).
The most flexible way to convert a datetime string with optional timezone information into a Unix timestamp is to construct a DateTime object (optionally with a DateTimeZone as a second argument in the constructor), and then call its getTimestamp met...