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MySQL case insensitive select
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@user1961753: Read again: "For binary strings (varbinary, blob)... will be case sensitive".
– Marc B
Aug 20 '14 at 14:40
1
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Convert Unix timestamp to a date string
Is there a quick, one-liner way to convert a Unix timestamp to a date from the Unix command line?
11 Answers
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When NOT to use yield (return) [duplicate]
...eason
// (a new state machine needs to be generated)
public IEnumerable<string> GetKeys()
{
foreach(string key in _someDictionary.Keys)
yield return key;
}
// DO this
public IEnumerable<string> GetKeys()
{
return _someDictionary.Keys;
}
Avoid using yield return when yo...
Proxy with express.js
...e modifications were necessary, but I like this better than introducing an extra new "Proxy" module dependency. A bit verbose, but at least I know exactly what's going on. Cheers.
– user124114
May 3 '12 at 17:35
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Find location of a removable SD card
...ound here.
CODE:
public class ExternalStorage {
public static final String SD_CARD = "sdCard";
public static final String EXTERNAL_SD_CARD = "externalSdCard";
/**
* @return True if the external storage is available. False otherwise.
*/
public static boolean isAvailable(...
Windows batch: formatted date into variable
...MyDate set MyDate=%%x
Then you can extract the individual parts using substrings:
set today=%MyDate:~0,4%-%MyDate:~4,2%-%MyDate:~6,2%
Another way, where you get variables that contain the individual parts, would be:
for /f %%x in ('wmic path win32_localtime get /format:list ^| findstr "="') do...
How to remove selected commit log entries from a Git repository while keeping their changes?
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The extra HEAD in this command is will cause the rebase to finish with a 'detached HEAD' which is undesirable. It should be ommitted.
– Frosty
May 27 '11 at 12:45
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What are the differences between B trees and B+ trees?
...e work and more disk reads which makes sense because the tree has all this extra data in it. I don't get it.
– Eric
Sep 2 '15 at 2:45
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UITableViewHeaderFooterView: Unable to change background color
...es not generate any warning message. Apple code does not have 'background' string at all. Of course, uitableVuewHeaderFooterview.contentView is nil in TVAnimationsGestures. I don't understand why this happen.
– kmugitani
Feb 6 '15 at 5:54
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What are dictionary view objects?
...termediate list.
Let's use examples. I've a dict with 1000 keys of random strings and digits and k is the key I want to look for
large_d = { .. 'NBBDC': '0RMLH', 'E01AS': 'UAZIQ', 'G0SSL': '6117Y', 'LYBZ7': 'VC8JQ' .. }
>>> len(large_d)
1000
# this is one option; It creates the keys() l...