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Untrack files from git temporarily
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742
git update-index should do what you want
This will tell git you want to start ignoring the chan...
Lambda expression to convert array/List of String to array/List of Integers
...like this:
//for lists
List<String> stringList = Arrays.asList("1","2","3");
List<Integer> integerList = convertList(stringList, s -> Integer.parseInt(s));
//for arrays
String[] stringArr = {"1","2","3"};
Double[] doubleArr = convertArray(stringArr, Double::parseDouble, Double[]::ne...
How do I declare a 2d array in C++ using new?
How do i declare a 2d array using new?
24 Answers
24
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How can I get the list of a columns in a table for a SQLite database?
...ress varchar);
sqlite> select * from sqlite_master;
table|people|people|2|CREATE TABLE people (first_name varchar, last_name varchar, email_address varchar)
To get column information you can use the pragma table_info(table_name) statement:
sqlite> pragma table_info(people);
0|first_name|var...
Hide the cursor of an UITextField
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279
Simply subclass UITextField and override caretRectForPosition
- (CGRect)caretRectForPosition:...
Checking for a dirty index or untracked files with Git
...git branch is dirty.
function evil_git_dirty {
[[ $(git diff --shortstat 2> /dev/null | tail -n1) != "" ]] && echo "*"
}
For untracked files (Notice the --porcelain flag to git status which gives you nice parse-able output):
# Returns the number of untracked files
function evil_git_n...
How to uninstall editable packages with pip (installed with -e)
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At {virtualenv}/lib/python2.7/site-packages/ (if not using virtualenv then {system_dir}/lib/python2.7/dist-packages/)
remove the egg file (e.g. distribute-0.6.34-py2.7.egg) if there is any
from file easy-install.pth, remove the corresponding line (i...
Change type of varchar field to integer: “cannot be cast automatically to type integer”
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271
There is no implicit (automatic) cast from text or varchar to integer (i.e. you cannot pass a ...
An example of how to use getopts in bash
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524
#!/bin/bash
usage() { echo "Usage: $0 [-s <45|90>] [-p <string>]" 1>&2; exi...