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What is the meaning of the prefix N in T-SQL statements and when should I use it?
...ing is in Unicode
(the N actually stands for National language character set). Which
means that you are passing an NCHAR, NVARCHAR or NTEXT value, as
opposed to CHAR, VARCHAR or TEXT.
To quote from Microsoft:
Prefix Unicode character string constants with the letter N. Without
the N pr...
Convert UTC datetime string to local datetime
...me_from_utc_to_local(utc_datetime):
now_timestamp = time.time()
offset = datetime.fromtimestamp(now_timestamp) - datetime.utcfromtimestamp(now_timestamp)
return utc_datetime + offset
This avoids the timing issues in DelboyJay's example. And the lesser timing issues in Erik van Oosten's...
How to configure git bash command line completion?
...
I was behind a proxy so I had to set the proxy first for the curl to work export https_proxy=proxy_ip:proxy_port I don't really get why it does not get the settings from the system.
– madlymad
Jun 23 '15 at 13:57
...
How do I prompt for Yes/No/Cancel input in a Linux shell script?
...my first example to better serve multiple languages might look like this:
set -- $(locale LC_MESSAGES)
yesptrn="$1"; noptrn="$2"; yesword="$3"; noword="$4"
while true; do
read -p "Install (${yesword} / ${noword})? " yn
case $yn in
${yesptrn##^} ) make install; break;;
${nop...
How to merge YAML arrays?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Understanding the Rails Authenticity Token
...ed on with the protect_from_forgery method,
which checks the token and resets the session if it doesn't match what
was expected. A call to this method is generated for new Rails
applications by default.
The token parameter is named authenticity_token by default. The name
and value of this ...
How to detect when facebook's FB.init is complete
...cess the session
xfbml : true // parse XFBML
});
FB.Canvas.setAutoResize();
runFbInitCriticalCode(); //function that contains FB init critical code
};
If you want exact replacement of FB.ensureInit then you would have to write something on your own as there is no official re...
How do I do an OR filter in a Django query?
... (like me) where | being used as OR operator comes from, it's actually the set union operator. It's also used (not here) as bitwise OR: stackoverflow.com/questions/5988665/pipe-character-in-python
– e100
Mar 26 '15 at 18:06
...
Swift Beta performance: sorting arrays
...Swift's performance improved by a factor of 20.
As per mweathers' answer, setting [-Ofast] makes the real difference, resulting in these times for n=10_000:
Swift: 0.000706745
C: 0.000742374
Swift_builtin: 0.000603576
And for n=1_000_000:
Swift: 0.1071118...
os.walk without digging into directories below
How do I limit os.walk to only return files in the directory I provide it?
20 Answers
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