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Getting Java version at runtime
...echo "System.err.print(Runtime.version().major())" | $JDK/bin/jshell 2>&1 > /dev/null
– judovana
Feb 27 '18 at 10:04
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Is there a Unix utility to prepend timestamps to stdin?
...ich would prepend each line with some text -- in my specific case, a timestamp. Ideally, the use would be something like:
...
C++ Convert string (or char*) to wstring (or wchar_t*)
...
Assuming that the input string in your example (おはよう) is a UTF-8 encoded (which it isn't, by the looks of it, but let's assume it is for the sake of this explanation :-)) representation of a Unicode string of your interest, then your problem can be fully sol...
How to 'insert if not exists' in MySQL?
...It will certainly stop your script, with a failure. It must be possible in PHP to adress that case ...
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Understanding MongoDB BSON Document size limit
...EDIT: The size has been officially 'raised' to 16MB
So, on your blog example, 4MB is
actually a whole lot.. For example,
the full uncompresses text of "War of
the Worlds" is only 364k (html):
http://www.gutenberg.org/etext/36
If your blog post is that long with
that many comments,...
browser sessionStorage. share between tabs?
...ould do short timeout as well.
} else if (event.key == 'sessionStorage' && !sessionStorage.length) {
// another tab sent data <- get it
var data = JSON.parse(event.newValue);
for (var key in data) {
sessionStorage.setItem(key, data[key]);
}
}
};
// listen for ch...
CSS customized scroll bar in div
...ned, Microsoft supports scroll bar styling, but only for IE8 and above.
Example:
<!-- language: lang-css -->
.TA {
scrollbar-3dlight-color:gold;
scrollbar-arrow-color:blue;
scrollbar-base-color:;
scrollbar-darkshadow-color:blue;
scrollbar-face-col...
When to use enumerateObjectsUsingBlock vs. for
...s not just due to the autorelease pool. There is a lot more stack pushing & popping with enumerate:
– Adam Kaplan
Jan 7 '17 at 22:15
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Can PostgreSQL index array columns?
... array, but you have to use the array operators and the GIN-index type.
Example:
CREATE TABLE "Test"("Column1" int[]);
INSERT INTO "Test" VALUES ('{10, 15, 20}');
INSERT INTO "Test" VALUES ('{10, 20, 30}');
CREATE INDEX idx_test on "Test" USING GIN ("Column1");
-- To enforce ...
Microsoft Excel mangles Diacritics in .csv files?
I am programmatically exporting data (using PHP 5.2) into a .csv test file.
Example data: Numéro 1 (note the accented e).
The data is utf-8 (no prepended BOM).
...