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What's the difference between a file descriptor and file pointer?
...ther Unix-like systems.
You pass "naked" file descriptors to actual Unix calls, such as read(), write() and so on.
A FILE pointer is a C standard library-level construct, used to represent a file. The FILE wraps the file descriptor, and adds buffering and other features to make I/O easier.
You pa...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
...;> s1 = s.decode('utf-8')
>>> print s1
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
UnicodeEncodeError: 'ascii' codec can't encode characters in position 1-5: ordinal not in range(128)
>>>
Consult the docs for your linux variant to disc...
Binding a list in @RequestParam
...=myValue2&myparam=myValue3
If you need to bind @ModelAttribute-style indexed parameters, I guess you need @ModelAttribute anyway.
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How to make inline functions in C#
...=> x + y;
void print(int x) { Console.WriteLine(x); }
There are basically two different types for these: Func and Action. Funcs return values but Actions don't. The last type parameter of a Func is the return type; all the others are the parameter types.
There are similar types with different...
How to check whether an object has certain method/property?
...much any modern dynamic scripting language (Python, Javascript, VB script, PHP, Lua... I could go on and on). It's not a bug, it's a feature.
– Tim Keating
Dec 3 '11 at 14:36
5
...
How to implement the --verbose or -v option into a script?
...
def verboseprint(*args):
# Print each argument separately so caller doesn't need to
# stuff everything to be printed into a single string
for arg in args:
print arg,
print
else:
verboseprint = lambda *a: None # do-nothing function
(Yes, y...
Adding a directory to $LOAD_PATH (Ruby)
...so long as the memory usage is the same for each, which I assume it essentially is.
– boulder_ruby
Oct 12 '12 at 1:47
...
Selecting text in an element (akin to highlighting with your mouse)
...opy')) {
$('<p class="p_copy" style="position: absolute; z-index: -1;"></p>').insertBefore($(this));
}
$(this).prev().html($(this).val());
});
var doc = document;
var element = this[0];
console.log(this, element);
if (doc.body.createTextRa...
How to add a delay for a 2 or 3 seconds [closed]
... I need to sleep the thread for 0.6 seconds precisely in order to avoid an index constrain when inserting into the database.
– GunWanderer
Apr 19 '18 at 16:48
add a comment
...
Dynamically load JS inside JS [duplicate]
...se my own implementation of it like:
jQuery.loadScript = function (url, callback) {
jQuery.ajax({
url: url,
dataType: 'script',
success: callback,
async: true
});
}
and use it like:
if (typeof someObject == 'undefined') $.loadScript('url_to_someScript.js...