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How do I run a Python program in the Command Prompt in Windows 7?
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You need to add C:\Python27 to your system PATH variable, not a new variable named "python".
Find the system PATH environment variable, and append to it a ; (which is the delimiter) and the path to the directory containing python.exe (e...
How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
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You should include cascade="all" (if using xml) or cascade=CascadeType.ALL (if using annotations) on your collection mapping.
This happens because you have a collection in your entity, and that collection has one or more items which are not presen...
ComboBox: Adding Text and Value to an Item (no Binding Source)
In C# WinApp, how can I add both Text and Value to the items of my ComboBox?
I did a search and usually the answers are using "Binding to a source".. but in my case I do not have a binding source ready in my program...
How can I do something like this:
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Adding multiple columns AFTER a specific column in MySQL
I need to add multiple columns to a table but position the columns after a column called lastname .
10 Answers
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How to read the output from git diff?
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Lets take a look at example advanced diff from git history (in commit 1088261f in git.git repository):
diff --git a/builtin-http-fetch.c b/http-fetch.c
similarity index 95%
rename from builtin-http-fetch.c
rename to http-fetch.c
index f3e63d7..e8f44ba ...
Merging 2 branches together in GIT
... now there are three separate branches (namely A B and C) with different heads
to get the changes from B and C back to A, checkout A (already done in this example) and then use the merge command:
# create an octopus merge
$ git merge B C
your history will then look something like this:
…-o-o-...
Signed to unsigned conversion in C - is it always safe?
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Short Answer
Your i will be converted to an unsigned integer by adding UINT_MAX + 1, then the addition will be carried out with the unsigned values, resulting in a large result (depending on the values of u and i).
Long Answer
According to the C99 Standard:
6.3.1.8 Usual arithmetic ...
Adding a parameter to the URL with JavaScript
...b application that makes use of AJAX calls, I need to submit a request but add a parameter to the end of the URL, for example:
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Why is SELECT * considered harmful?
Why is SELECT * bad practice? Wouldn't it mean less code to change if you added a new column you wanted?
15 Answers
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Problems with Android Fragment back stack
...going on here?
If we keep in mind that .replace() is equal with .remove().add() that we know by the documentation:
Replace an existing fragment that was added to a container. This is essentially the same as calling remove(Fragment) for all currently added fragments that were added with the same...