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Java String - See if a string contains only numbers and not letters
...c class StringIsNumberBenchmark {
private static final long CYCLES = 1_000_000L;
private static final String[] STRINGS = {"12345678901","98765432177","58745896328","35741596328", "123456789a1", "1a345678901", "1234567890 "};
private static final Pattern PATTERN = Pattern.compile("\\d+");...
Pandas conditional creation of a series/dataframe column
...meit df['color'] = df.Set.map( lambda x: 'red' if x == 'Z' else 'green')
1000 loops, best of 3: 239 µs per loop
1000 loops, best of 3: 523 µs per loop
1000 loops, best of 3: 263 µs per loop
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Remove xticks in a matplotlib plot?
...lleft='off')
– Steven C. Howell
Jul 11 '15 at 4:32
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Last segment of URL in jquery
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answered Jan 21 '11 at 11:18
Frédéric HamidiFrédéric Hamidi
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LLVM vs clang on OS X
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answered Apr 18 '11 at 20:49
Brian CampbellBrian Campbell
275k5454 gold badges343343 silver badges324324 bronze badges
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Count work days between two dates
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--Usually faster than CONVERT.
--0 is a date (01/01/1900 00:00:00.000)
SELECT @StartDate = DATEADD(dd,DATEDIFF(dd,0,@StartDate), 0),
@EndDate = DATEADD(dd,DATEDIFF(dd,0,@EndDate) , 0)
--If the inputs are in the wrong order, reverse them.
IF @StartDate > @End...
In bash, how does one clear the current input?
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11 Answers
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Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
... create table innodb_table(`id` int(10) unsigned NOT NULL);
ERROR 1813 (HY000): Tablespace for table '`database_name`.`innodb_table`' exists. Please DISCARD the tablespace before IMPORT
in order to fix this, what i did was first
create table innodb_table2(`id` int(10) unsigned NOT NULL);
Query...
Protect .NET code from reverse engineering?
...increase the price of the for-pay edition, so that in the end instead of 2,000 users at $20 each you have 100,000 free users, of which 500 are willing to pay $99 for the "professional" edition. This earns you more money than if you spent a bunch of time locking up your product. More than that, you c...
Provide an image for WhatsApp link sharing
...ze limit info but it's not correct. The Whatsapp app fetches the first 300.000 bytes (Http header: "Range: bytes=0-299999")
– Adriano Tornatore
Oct 12 '16 at 17:28
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