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Find the index of a dict within a list, by matching the dict's value
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tom_index = next((index for (index, d) in enumerate(lst) if d["name"] == "Tom"), None)
# 1
If you need to fetch repeatedly from name, you should index them by name (using a dictionary), this way get operations would be O(1) ti...
Extracting substrings in Go
...panic on a zero length input, wrap the truncate operation in an if
input, _ := src.ReadString('\n')
var inputFmt string
if len(input) > 0 {
inputFmt = input[:len(input)-1]
}
// Do something with inputFmt
share
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How to log PostgreSQL queries?
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In your data/postgresql.conf file, change the log_statement setting to 'all'.
Edit
Looking at your new information, I'd say there may be a few other settings to verify:
make sure you have turned on the log_destination variable
make sure you turn on the logging_collect...
Is there a built in function for string natural sort?
...use either of the below formulas.
>>> from natsort import natsort_keygen, ns
>>> l1 = ['elm0', 'elm1', 'Elm2', 'elm9', 'elm10', 'Elm11', 'Elm12', 'elm13']
>>> l2 = l1[:]
>>> natsort_key1 = natsort_keygen(key=lambda y: y.lower())
>>> l1.sort(key=natsort_k...
CSS hexadecimal RGBA?
...vtools on Chrome 55. No dice, it errors as an invalid property value... ¯\_(ツ)_/¯
– ericsoco
Jan 18 '17 at 21:04
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“Warning: iPhone apps should include an armv6 architecture” even with build config set
...', and choose 'Other...':
Double click the highlighted row named '$(ARCHS_STANDARD_32_BIT)' in the popover that appears, and replace it by typing 'armv6'. Then add a new row with the plus button in the bottom left of the popover, and type 'armv7', then click Done:
Update: you should add armv7s...
Copy a table from one database to another in Postgres
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Extract the table and pipe it directly to the target database:
pg_dump -t table_to_copy source_db | psql target_db
Note: If the other database already has the table set up, you should use the -a flag to import data only, else you may see weird errors like "Out of memory":
pg_dump -a -t ...
WAMP shows error 'MSVCR100.dll' is missing when install
... the Visual C++ 2010
SP1 Redistributable Package x86 : VC10 SP1 vcredist_x86.exe
http://www.microsoft.com/download/en/details.aspx?id=8328
For Windows 64 : Be sure that you have installed the Visual C++ 2010
SP1 Redistributable Package x64 : VC10 SP1 vcredist_x64.exe
http://www...
How to completely remove a dialog on close
... answered Jun 19 '15 at 9:31
deb_deb_
1681212 bronze badges
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How does HTTP file upload work?
...it your form (I've truncated the headers for brevity):
POST /upload?upload_progress_id=12344 HTTP/1.1
Host: localhost:3000
Content-Length: 1325
Origin: http://localhost:3000
... other headers ...
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryePkpFF7tjBAqx29L
------WebKitFormBou...