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What is the size of column of int(11) in mysql in bytes?
...racters to pad when selecting data with the mysql command line client. 12345 stored as int(3) will still show as 12345, but if it was stored as int(10) it would still display as 12345, but you would have the option to pad the first five digits. For example, if you added ZEROFILL it would display as ...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
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answered Feb 24 '09 at 5:37
Norman RamseyNorman Ramsey
184k5757 gold badges336336 silver badges517517 bronze badges
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What's the difference between an exclusive lock and a shared lock?
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ArjunShankarArjunShankar
20.3k55 gold badges5656 silver badges7777 bronze badges
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Pandas groupby: How to get a union of strings
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In [4]: df = read_csv(StringIO(data),sep='\s+')
In [5]: df
Out[5]:
A B C
0 1 0.749065 This
1 2 0.301084 is
2 3 0.463468 a
3 4 0.643961 random
4 1 0.866521 string
5 2 0.120737 !
In [6]: df.dtypes
Out[6]:
A int64
B fl...
How to check whether a string is Base64 encoded or not
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256
You can use the following regular expression to check if a string is base64 encoded or not:
^(...
What do hjust and vjust do when making a plot using ggplot?
...An example should make this clear:
td <- expand.grid(
hjust=c(0, 0.5, 1),
vjust=c(0, 0.5, 1),
angle=c(0, 45, 90),
text="text"
)
ggplot(td, aes(x=hjust, y=vjust)) +
geom_point() +
geom_text(aes(label=text, angle=angle, hjust=hjust, vjust=vjust)) +
facet_grid(~angle)...
Releasing memory in Python
... KiB pools, classed for allocation sizes at multiples of 8 bytes -- up to 256 bytes (512 bytes in 3.3). The pools themselves are in 256 KiB arenas, so if just one block in one pool is used, the entire 256 KiB arena will not be released. In Python 3.3 the small object allocator was switched to using ...
How do I make an http request using cookies on Android?
...ocs:
https://github.com/apache/httpcomponents-client/blob/master/httpclient5/src/test/java/org/apache/hc/client5/http/examples/ClientFormLogin.java
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameV...
Possibility of duplicate Mongo ObjectId's being generated in two different collections?
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Raj AdvaniRaj Advani
3,62022 gold badges1515 silver badges99 bronze badges
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How To Create Table with Identity Column
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154
CREATE TABLE [dbo].[History](
[ID] [int] IDENTITY(1,1) NOT NULL,
[RequestID] [int] NOT ...