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How to check whether a Storage item is set?
... Could you add your own method to localStorage to encapsulate this little test? E.g. localStorage.hasItem("infiniteScrollEnabled")?
– Paul D. Waite
Jul 17 '10 at 1:10
4
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How to check if function exists in JavaScript?
...eof obj == 'function' would be insufficient? ;-) Reminder: strict equality test operator only makes sense when the static operand is empty or null or 0 or subject to any cast amalgame like this.
– Fabien Haddadi
Apr 30 at 19:18
...
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
...
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 ($("input[name='html_elements']:checked").val() == "") Which would alert "Nothing is checked"
– Doug Neiner
Jan 16 '10 at 14:57
...
get dictionary value by key
...ng> dict = new Dictionary<string, string>();
dict.Add("UserID", "test");
string userIDFromDictionaryByKey = dict["UserID"];
If you look at the tip suggestion:
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Remove empty lines in text using Visual Studio
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Tested in VS 2012 to allow for pure line feeds.
^\s*$\n
hth
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follo...