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How does free know how much to free?
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364
When you call malloc(), you specify the amount of memory to allocate. The amount of memory actu...
How to set a Header field on POST a form?
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Yes you can serialize files into Base64 strings, perhaps very clumsy for huge files since Base64 can be quite bulky. But so is every serialization method.
– Felype
Jul 31 '15 at 17:13
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Real world use cases of bitwise operators [closed]
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Isn't htonl() for a 32-bit int value? long means 64-bits in many languages.
– Aaron Franke
Apr 13 '18 at 8:53
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Python Requests and persistent sessions
...xies = None,
userAgent = 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1',
debug = True,
forceLogin = False,
**kwargs):
"""
save some information needed to login the session
you'll ...
How to Flatten a Multidimensional Array?
... [x] => X
[y] => Y
[p] => P
[q] => Q
)
Update: Based on comment by @MohamedGharib
This will throw an error if the outer array is empty, since array_merge would be called with zero arguments. It can be be avoided by adding an empty array as the first argument.
array_merg...
How do I get the difference between two Dates in JavaScript?
... to get the difference, just subtract the two dates.
To create a new date based on the difference, just pass the number of milliseconds in the constructor.
var oldBegin = ...
var oldEnd = ...
var newBegin = ...
var newEnd = new Date(newBegin + oldEnd - oldBegin);
This should just work
EDIT: Fi...
Error when installing windows SDK 7.1
...icrosoft Visual C++ 2010 x86 Redistributable
Microsoft Visual C++ 2010 x64 Redistributable
After uninstalling the Microsoft Visual C++ 2010
Redistributable products, you may install the Windows 7 SDK. After
installing the Windows 7 SDK, you may then reinstall the newer version
of t...
How to disable an input type=text?
...xt using JavaScript, if possible.
The input field is populated from a database; that is why I don't want the user to modify its value.
...
Batch script: how to check for admin rights
...independently confirmed that this works on:
Windows XP, x86
Windows XP, x64
Windows Vista, x86
Windows Vista, x64
Windows 7, x86
Windows 7, x64
Windows 8, x86
Windows 8, x64
Windows 10 v1909, x64
(see screenshot #2)
Implementation / Usage
So, to use this solution, simply do something lik...
What is the minimum I have to do to create an RPM file?
...etc/toybinprog
install -m 755 toybinprog toybinprog-1.0/usr/bin
install -m 644 toybinprog.conf toybinprog-1.0/etc/toybinprog/
tar -zcvf toybinprog-1.0.tar.gz toybinprog-1.0/
3. Copy to the sources dir
cp toybinprog-1.0.tar.gz SOURCES/
cat <<EOF > SPECS/toybinprog.spec
# Don't try fancy...