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How can I save an image with PIL?
...(PIL) using a post I found earlier to perform fourier transforms of images and I can't get the save function to work. The whole code works fine but it just wont save the resulting image:
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How do I ALTER a PostgreSQL table and make a column unique?
..._constraint UNIQUE ((payload::text), name);
– writofmandamus
Oct 6 '17 at 22:22
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Disabled UIButton not faded or grey
...utton which I have created in Interface Builder. I can successfully enable and disable it like this in my code ...
19 Answe...
Intelligent way of removing items from a List while enumerating in C#
...est method might be to just keep track of the elements you want to remove, and then remove them all at once after. Something like this:
List<int> toRemove = new List<int>();
foreach (var elem in myList)
{
// Do some stuff
// Check for removal
if (needToRemoveAnElement)
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How to get the last date of a particular month with JodaTime?
I need to get the first date (as org.joda.time.LocalDate ) of a month and the last one. Getting the first is trivial, but getting the last seems to need some logic as months have different length and February length even varies over years. Is there a mechanism for this already built in to JodaTime ...
MySQL Delete all rows from table and reset ID to zero
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Do not delete, use truncate:
Truncate table XXX
The table handler does not remember the last used AUTO_INCREMENT value, but starts counting from the beginning. This is true even for MyISAM and InnoDB, which normally do not reuse sequence values.
Source.
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Software keyboard resizes background image on Android
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Ok I fixed it by using
android:windowSoftInputMode="stateVisible|adjustPan"
entry inside <Activity > tag in manifest file. I think it was caused by having ScrollView inside the Activity.
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How can I search sub-folders using glob.glob module?
I want to open a series of subfolders in a folder and find some text files and print some lines of the text files. I am using this:
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How to tell bash that the line continues on the next line
... may be used to remove any special meaning
for the next character read and for line continuation.
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Selecting data frame rows based on partial string match in a column
...a data.table (but also remember that subsetting approaches for data.frames and data.tables are not identical):
library(data.table)
mtcars[rownames(mtcars) %like% "Merc", ]
iris[iris$Species %like% "osa", ]
If that is what you had, then perhaps you had just mixed up row and column positions for su...