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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
... are more favorable to -Os optimizations.
Here are the results for time ./test 0 0 on several processors (user time reported):
Processor (System-on-Chip) Compiler Time (-O2) Time (-Os) Fastest
AMD Opteron 8350 gcc-4.8.1 0.704s 0.896s -O2
AMD FX-63...
get UTC time in PHP
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I used simple php script to test the scenario:<? echo time()." === ".strtotime(gmdate("M d Y H:i:s"))." Timezone: ".date("Z")."\n"; ?> When i ran it i get this result: 1456342082 === 1456338482 Timezone: 3600 The result of shell command date is:...
Reading JSON from a file?
...
Here is a copy of code which works fine for me
import json
with open("test.json") as json_file:
json_data = json.load(json_file)
print(json_data)
with the data
{
"a": [1,3,"asdf",true],
"b": {
"Hello": "world"
}
}
you may want to wrap your json.load line with a ...
How do you find the current user in a Windows environment?
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I use this method in writing batch files for testing.
echo %userdomain%\%username%
Since you must include the password in plain text if authentication is required, I will only use it in a completely private environment where other users cannot view it or if a user s...
How to insert a value that contains an apostrophe (single quote)?
...a via a raw SQL interface since writing queries outside of development and testing should be a rare occurrence. In code there are techniques and frameworks (depending on your stack) that take care of escaping special characters, SQL injection, etc.
...
Using JQuery to check if no radio button in a group has been checked
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Sorry, my comment was confusing: I meant for the whole test to look like this: if ($("input[name='html_elements']:checked").val() == "") Which would alert "Nothing is checked"
– Doug Neiner
Jan 16 '10 at 14:57
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get dictionary value by key
...ng> dict = new Dictionary<string, string>();
dict.Add("UserID", "test");
string userIDFromDictionaryByKey = dict["UserID"];
If you look at the tip suggestion:
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Remove empty lines in text using Visual Studio
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Tested in VS 2012 to allow for pure line feeds.
^\s*$\n
hth
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Positive Number to Negative Number in JavaScript?
... a typo is out of the question. I'm on Linux right now, but you're free to test your theory on chrome. Keep in mind chrome auto-updates so any bug fixes would already be applied and any new bugs would be pushed out to the community, meaning this could of been a bug that only lasted a few days and no...
Download File Using jQuery
... there are no reason for not working are the link correct . test the link direct in browse
– EL missaoui habib
Jun 24 '16 at 9:39
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