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Signed to unsigned conversion in C - is it always safe?
...erflow.com/a/50632/5083516 ).
The rules are written in typically hard to read standards-speak but essentially whatever representation was used in the signed integer the unsigned integer will contain a 2's complement representation of the number.
Addition, subtraction and multiplication will work...
C++ SFINAE examples?
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can someone explain what C::* is? I read all the comments and links, but I am still wondering, int C::* means that it is a member pointer of int type. what if a class has no member of int type? What am I missing? and how does test<T>(0) play into this? I ...
SQLite add Primary Key
...n't help you. Modify this first to your needs
Also please don't forget to read the comments in the code .
The Code
Use this as a method in your class to check 1st whether the column you want to add is missing . We do this just to not repeat the process of altering the table receipt_barcode.
Just...
How many parameters are too many? [closed]
...bly the bigger sign that something is wrong with your code, and that you already know it.
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edited Oct 6 '08 at 21:20
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Default string initialization: NULL or Empty? [closed]
...tabase data types work. (Edit: This statement was very unclear. It should read "I use empty string for default initialization when NULL is a superfluous state, much in the same way I set up a database column as NOT NULL if NULL would be a superfluous state. Similarly, many of my DB columns are set...
Why do we use Base64?
... a GIF image is encoded in base64 as a chunk of an email. The email client reads the headers and decodes it. Because of the encoding, we can be sure the GIF doesn't contain anything that may be interpreted as protocol and we avoid inserting data that SMTP or POP may find significant.
...
PHP + curl, HTTP POST sample code?
...o www.google.com and sent it some data.
Had the server been programmed to read in the post variables, it could decide to do something different based upon that.
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Difference between git pull and git pull --rebase
... upstream branch
If you want to know how git merge and git rebase differ, read this.
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How do I parse an ISO 8601-formatted date?
...tring that you pass in. If you want to eliminate the possibility of any misreads, you need to use something stricter than either of these functions.
The Pypi name is python-dateutil, not dateutil (thanks code3monk3y):
pip install python-dateutil
If you're using Python 3.7, have a look at this an...
Prevent errors from breaking / crashing gulp watch
...orrect thing to do so anyone that finds this in the future doesn't have to read the comment chain.
– George Mauer
May 31 '14 at 21:15
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