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MySQL pagination without double-querying?
... help a lot.
The other way is to use SQL_CALC_FOUND_ROWS clause and then call SELECT FOUND_ROWS(). apart from the fact you have to put the FOUND_ROWS() call afterwards, there is a problem with this: There is a bug in MySQL that this tickles that affects ORDER BY queries making it much slower on lar...
How to split a file into equal parts, without breaking individual lines? [duplicate]
...s wondering if it was possible to split a file into equal parts ( edit: = all equal except for the last), without breaking the line? Using the split command in Unix, lines may be broken in half. Is there a way to, say, split up a file in 5 equal parts, but have it still only consist of whole lines ...
How to display request headers with command line curl
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@SergeyVlasov Actually, the equivalent of /dev/null in Windows is nul, not null.
– Francisco Zarabozo
Dec 11 '17 at 7:37
3
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What to do Regular expression pattern doesn't match anywhere in string?
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Contrary to all the answers here, for what you're trying to do regex is a perfectly valid solution. This is because you are NOT trying to match balanced tags-- THAT would be impossible with regex! But you are only matching what's in one ...
How can I send an HTTP POST request to a server from Excel using VBA?
...und parameters if you do not use the Sub's return value: VBA Syntax do not allow parentheses around Sub's parameters (they are needed for Functions, though), so these parentheses are actually arithmetic parentheses used to clarify operator precedence. Apart from being misleading and unclear, this ca...
Bootstrap Modal immediately disappearing
...l code, e.g., var Modal.
Unfortunately, these won't always find things in all cases. Inspecting the network requests can be a little more robust at giving you a picture of everything loaded on a page.
A (Broken) Demo
Here's a demo of what happens when you load both the bootstrap.js and bootstrap-...
Using OpenSSL what does “unable to write 'random state'” mean?
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Yes, if you run from php web server, the user is www-data, and you should add "export" before every openssl: shell_exec('export RANDFILE=".rnd";openssl ecparam -genkey -name secp256k1'))
– diyism
Jun 21 '13...
Echo equivalent in PowerShell for script testing
...st: Write directly to the console, not included in function/cmdlet output. Allows foreground and background colour to be set.
Write-Debug: Write directly to the console, if $DebugPreference set to Continue or Stop.
Write-Verbose: Write directly to the console, if $VerbosePreference set to Continue...
How do I get an ISO 8601 date on iOS?
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Use NSDateFormatter:
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
NSLocale *enUSPOSIXLocale = [NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"];
[dateFormatter setLocale:enUSPOSIXLocale];
[dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ssZZZZZ"];
[dateFormatter setCale...
grep, but only certain file extensions
... some scripts to grep certain directories, but these directories contain all sorts of file types.
11 Answers
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