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What does Java option -Xmx stand for? [duplicate]
...ting these in more detail, so manual pages for the arguments of a command, etc.
– Craig Brett
Feb 22 '18 at 8:51
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How to find the foreach index?
... a field would be a pseudo-index that needs manual management (increments, etc).
A foreach will give you your index in the form of your $key value, so such a hack shouldn't be necessary.
e.g., in a foreach
$index = 0;
foreach($data as $key=>$val) {
// Use $key as an index, or...
// .....
Changing a specific column name in pandas DataFrame
... the columns here is the simple one which will work for both Default(0,1,2,etc;) and existing columns but not much useful for a larger data sets(having many columns).
For a larger data set we can slice the columns that we need and apply the below code:
df.columns = ['new_name','new_name1','old_nam...
Copy folder structure (without files) from one location to another
... thousands, so use this with caution. (Find the command length limit with getconf ARG_MAX.) With a lot of directories, you may have to write a script to loop through the output instead.
– palswim
Oct 13 '15 at 21:26
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How to get database structure in MySQL via query
... quite an acceptable English sentence (no less than "The French WORD for", etc), and this generalizes to "The {{language name}} for {{thing to express}}" such as "The DDL for this table". "A C function is not by itself C" is the same as saying "A French word is not by itself French": well it's not ...
What C++ Smart Pointer Implementations are available?
...private copy constructor, being usable with STL containers and algorithms, etc. Since it's performance overhead and memory footprint are limited this is an ideal candidate for replacing, or perhaps more aptly described as owning, raw pointers. As the "unique" implies there is only one owner of the p...
ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]
...orked perfectly fine for me:
Comment out the bind address from the file /etc/mysql/my.cnf:
#bind-address = 127.0.0.1
Run following query in phpMyAdmin:
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'; FLUSH PRIVILEGES;
share...
How to get the mysql table columns data type?
...') unless you display the column name : SELECT COLUMN_NAME, DATA_TYPE FROM etc..
– Skippy le Grand Gourou
Aug 5 '15 at 10:34
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How do I copy folder with files to another folder in Unix/Linux? [closed]
...r, --recursive, and -R are equivalent. It will also give common pitfalls, etc. which is nice.
– Alex W
Dec 16 '16 at 16:22
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How do you connect localhost in the Android emulator? [duplicate]
... not working for me. I have added custom name for my site in etc/hosts now I want to access mywebapp.local URL in android simulator how can I do that
– joy
May 19 at 11:05
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